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 * Home
 * Find a Pro
 * Mosquitoes
 * Home Invaders
   * Ants
   * Bed Bugs
   * Cockroaches
   * Dust Mites
   * Fleas
   * Flies
   * Moths
   * Mice
   * Rats
   * Scorpions
   * Silverfish
   * Spiders
   * Termites
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   * Ticks
   * Aphids
   * Whiteflies
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   * Wasps
   * Hornets
   * Bees
   * Voles
   * Wildlife
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   * Diseases & Treatments
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   * Natural Solutions
   * Pest News

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links within the article, we may receive a small commission from qualifying
purchases.




THE BEST ROACH POWDERS

 * By Yordan Z
 * Last updated on January 26, 2022

Roach powders and roach killer dusts are one of the best tools for battling
cockroach infestations. Still, with hundreds of different promising products on
the market, as well as thousands of types of cockroaches, it can be hard to
choose the right insecticide powder for the particular problem you’re facing.
So, to help you choose, we decided to compile a quick list of the best roach
powders and dusts on the market right now.

Roach powders and roach killer dusts are one of the best tools for battling
cockroach infestations. Still, with hundreds of different promising products on
the market, as well as thousands of types of cockroaches, it can be hard to
choose the right insecticide powder for the particular problem you’re facing.
So, to help you choose, we decided to compile a quick list of the best roach
powders and dusts on the market right now.

BEST FOR ROACHES AND ANTS



ZAP A ROACH POWDER (2 PACK)

This dorless and non-staining powder that contains boric acid kills roaches,
ants and other unwanted crawlers that invade your home.

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EASY APPLICATION



HARRIS BORIC ACID POWDER

This powder that contains mainly boric acid is very fast acting poison that can
kill severe roach infestation within 3 days.

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FOR INDOORS AND OUTDOORS



BAYER TEMPO DUST

If you want to eliminate roaches and other unwanted pests, without odor and not
leaving stains, then this product is made for you.

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1


ZAP A ROACH POWDER (2 PACK)

BEST FOR ROACHES AND ANTS

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WHAT WE LIKE:

 * The Zap a Roach boric acid cockroach killer is odorless and non-staining
 * It’s safe to use on all surfaces as it will not damage or stain them
 * It’s excellent at exterminating all manners of insect pests

WHAT WE DON'T LIKE:

 * As it contains boric acid, this Zap a Roach cockroach killer should be
   applied with care in food processing facilities

REVIEW

If you are looking for a great boric acid powder for roaches, then the Zap a
Roach Boric Acid Roach Killer is an ideal option for you. This cockroach dust
comes in 2x one pound (454 gram) bottles. It’s designed to combat some of the
most pestilent common household insects such as cockroaches, ants, water bugs,
fleas, as well as silverfish infestations and many others. This Zap a Roach
compound doesn’t stain so you won’t have to worry about putting it on your
flooring, baseboards, appliances, or anywhere else. Utilizing boric acid as its
active ingredient, the Zap a Roach cockroach powder is toxic for insects but
safe for your home.

What’s more, this Zap a Roach product is also odorless, which is great for all
residential areas. This makes it a great alternative to all the pungent smell of
chemical sprays. All you need to do to properly use the Zap a Roach powder
killer is to shake it well, twist its cap, hold the bottle at a 45-degree angle
and the powder should start pouring easily.

The Zap a Roach boric acid cockroach killer recipe is applicable both indoors
and outdoors. It can be used in all commercial and residential areas. Caution
is, of course, advised when using the Zap a Roach boric acid roach killer powder
near foot processing facilities – since it is made out of 100% boric acid, it
should come into direct contact with food and any other ingestible products.


2


HARRIS BORIC ACID POWDER

EASY APPLICATION

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WHAT WE LIKE:

 * The powerful boric acid in this Harris roach powder exterminates cockroaches,
   silverfish, water bugs, palmetto bugs, and many other insect pests. It works
   as a German roaches boric acid killer as well
 * The Harris boric acid roach powder comes together with a lure
 * Aside from the lure, this Harris roach powder also comes with a straw for an
   even easier application
 * The Harris boric acid cockroach killer is odorless and non-staining

WHAT WE DON'T LIKE:

 * As it contains boric acid, this Harris cockroach killer should be applied
   with care in food processing facilities

REVIEW

When looking for boric acid for roaches, this Harris roach powder is also one
you shouldn’t miss. It comes in a 16 oz. bottle together with its own lure. It’s
a great tool for killing cockroaches and silverfish, as well as palmetto bugs,
water bugs, and many more insect pests that are common in households.

Having boric acid as its main ingredient, the Harris roach powder is very fast
acting and kills insects within 72 hours in large quantities. Not only capable
of exterminating entire nests at once, this candidate for the best roach killer
powder also provides a lasting effect of up to several weeks.

Another advantage of the Harris boric acid roach bait powder over other roach
proof powder products is the ease of its application. It comes together with a
long straw which can help you apply the powder even to the hardest to reach
places in your home. This is very helpful not only because you don’t want boric
acid powder in places that your kids and pets can reach, but also because you
need to make sure that you’ve covered all nooks, cracks, and crevices that your
insect invaders frequently pass through. Even if you had problems applying the
powder at the appropriate places, however, the excellent food-grade powder
cockroach killing bait is guaranteed to attract a lot of cockroaches to itself.

As a nice cherry on top, this best roach powder candidate is also odorless and
stain-free, so you can apply it on any surface and in any residential area
without an issue.

3


BAYER TEMPO DUST

FOR INDOORS AND OUTDOORS

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WHAT WE LIKE:

 * The Bayer Tempo 1% dust is odorless and non-staining
 * This cockroach killer powder killer powder is safe to use anywhere, including
   in food-processing facilities
 * The Bayer Tempo dust insecticide is highly effective against cockroaches,
   bedbugs, ants, wasps, and a myriad of other insect pests

WHAT WE DON'T LIKE:

 * It should be kept away from the reach of pets, kids, and water

REVIEW

This Bayer Tempo dust insecticide comes in a 1.25 lbs bottle and includes
Cyfluthrin 1% as its active ingredient. This product offers a pretty nice
coverage as one pound of it is enough for 1000 square feet area. It’s labeled
for both indoors and outdoors use. It’s safe to use in all types of rooms and
premises – residential buildings, add-on structures, food-storage or cooking
facilities and buildings, transport storage areas, hotels and motels,
warehouses, hospitals, and others.

The Bayer Tempo 1% dust is also more than just a roach poison powder. It works
great against bedbugs, ants, wasps, and other insect pests that dwell in hard to
reach places. What makes this roach powder even better for residential use, in
particular, is the fact that it has no odor and leaves no stains behind it. The
fact that it is odorless also means that pets such as dogs and cats won’t be
attracted to it. Still, as with any other roach powder, it’s advisable to only
spread it on nooks and crevices that are outside of the reach of your pets.

As it is a traditional roach powder, the Bayer Tempo 1% dust shouldn’t be mixed
with water and should be spread to places that are not likely to get wet in the
foreseeable future. Mixing it with water even a little bit (to a paste, for
example) will dilute the 1% Cyfluthrin too much and it won’t do its job.
Additionally, as a powder, the product is meant to be transported by passing
insects into their nests where it can kill the rest of their colony.


OTHER PRODUCTS TO CONSIDER

BORACTIN INSECT DUST

Boric acid and roaches don’t really play well together and BorActin takes full
advantage of that fact. The 99% boric acid formula of BorActin Insect Dust is
odorless and moisture resistant. As a boric acid product, however, you’ll need
to be careful with it around food and in food processing facilities. The lack of
a lure and application straw is also noticeable when you want to treat
hard-to-reach places.


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ROCKWELL CIMEXA DUST

BorActin Insect Dust offers 4 ounces of dust in one bottle. Its active
ingredient is Amorphous Silica Gel 100% and it works against ants, roaches,
fleas, ticks, lice, silverfish, firebrats, spiders, mites, and more. It is only
usable indoors, however, and covers a smaller area than other similarly-sized
products.

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BAYER DRIONE DUST

This sizable 1 lb bottle of Bayer Drione Dust comes with a puffer duster and a
hand duster. It works great not only against cockroaches but also against
bedbugs, wasps, carpenter bees, and a lot of other insects. The powder does
clump up quite easily in moisture, however, so you’ll have to keep that in mind


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JT EATON ANSWER INSECTICIDAL DUST

Another great boric acid product, this JT Eaton Answer Insecticidal Dust comes
in a 5 lbs resealable pail. Its 99.9% boric acid and therefore will easily kill
all cockroaches, silverfish, water bugs, and most types of ants (except
carpenter ants). You should be careful when placing it near food or in food
storage areas, however, and the lack of an application accessory makes reaching
some tricky spots harder.

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DESECT DIATOMACEOUS EARTH INSECTICIDE

The Desect Diatomaceous Earth Insecticide comes in a large 1 gal bottle. It is
an organic product that can be used both indoors and outdoors in your garden,
including on plants, fruit trees, and so on. It successfully combats slugs,
roaches, earwigs, ants, crickets, grasshoppers, silverfish, pill bugs, sow bugs,
lice, carpet beetles, box elder bugs, aphids, Japanese beetles, snails, and many
others. It does struggle against some other types of insects, however, such as
house centipedes. It also requires a perfect application, since, even though it
is effective, it is not as powerful as some of its toxic chemical counterparts.


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ENOZ ROACH AWAY BORIC ACID POWDER

The Enoz Roach Away Boric Acid Powder contains a 99% boric acid solution. Thanks
to that it successfully deals with all types of cockroaches, as well as palmetto
bugs, water bugs, silverfish, ants, and other common household insect pests. Its
applicator tip helps with a controlled placement, but the product doesn’t come
with any additional accessories. Also, since it contains boric acid, you should
be mindful about using it near food.

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BONIDE ROACH POWDER

This Bonide Roach Powder contains boric acid and easily kills much more than
just roaches. It efficiently deals with ants, silverfish, and fleas. The nozzle
clogs quite easily, unfortunately. And as a boric acid powder, you should be
careful not to use it near food.

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ABOUT COCKROACH POWDERS

Roach powders work on a simple but beautifully effective manner. They are a
slow-acting poison that destroys entire nests of cockroaches or other insects
without even having to be applied into the nests themselves. All you need to do
is apply the powder somewhere that the targeted insects pass through regularly
(either on their most frequented traffic routes or in circles around the cracks
the crawl out of). When you do this, the insects will be forced to go through
the powder and get it all over their legs and bodies. The powder itself is
typically odorless and neither attracts nor repels the insects – its goal is to
be inconspicuous to them so that they view it as just a part of the terrain.



Once the insect has passed through the powder and has gotten its legs and body
cover with it (or often – has got the piece of food it carried covered with the
powder), the insect will eventually go back to its nest. There, several things
can happen:


 1. The insect starts cleaning itself and eats the powder of its own body and
    dies;
 2. The insect, together with a large portion of its nest eat the powdered food
    and they all die;
 3. Other insects from the nest eat the corpses of the already poisoned and dead
    insects and they too die (a lot of insects, but roaches, in particular, have
    the habit of eating their dead comrades).

This simple “Trojan horse” type of strategy is very effective at exterminating
entire roach and insect nests even if you don’t know where exactly the nests are
located. The possible downside of this method is that poor placement of the
powder can undermine its effectiveness as fewer insects will pass through it.
Another possible downside is that pets and kids can show interest in the powder
so you’ll need to put it in places that they can’t reach.

As for the active ingredients of roach dust and powders, the most typical active
ingredient is boric acid. Boric acid is a natural chemical that is found in a
lot of fruits and other plants.



DID YOU KNOW?

The boric acid used in roach powders is usually derived from borax mined from
mineral deposits. It’s highly toxic to roaches and other insects and it’s fairly
harmless to humans and other mammals when used correctly.

 * 
 * 


Nevertheless, caution is advised as you still don’t want your kids consuming it.



Other roach powder products use artificial active ingredients such as
Cyfluthrin, Amorphous Silica, and others, but they all work on a similar
principle – they are toxic to insects, they are less toxic or non-toxic to
humans, and they are odorless and non-staining.

All in all, roach powders are a highly effective tool for dealing with massive
roach infestations or other unwanted insects. It takes several days for the
chain effect of the powder to start acting and for the kill-rate to become
significant, but if you’re persistent and you’ve used the powder adequately, you
should be able to deal with even massive pest problems.

Alternatively, you can opt for other methods of dealing with roaches and insects
– dry roach sprays work in a similar manner, roach bombs and foggers can also
deal with massive infestations, and when all else fails – you can always call an
exterminator. Of these methods, roach powders and dry roach sprays are probably
the most hassle-free ones. Other roach-killing methods such as traps or
on-contact sprays are either just for monitoring or for smaller pest problems.





ROACH POWDER BUYING GUIDE

Different roach powders typically share a lot of similar features with each
other, so choosing between them is not the most complicated choice you’ll have
to make in your life.

Almost all roach powders are odorless, don’t leave any stains, need to be
applied in more or less the same manner, and are effective against most common
household insects in addition to cockroaches.

The main difference between the different roach powder brands and products is
the active ingredient they are using. Most use boric acid, but there are
alternatives such as Cyfluthrin, Amorphous Silica, and others. Depending on
their active solution, roach powders can be less effective against some types of
insects and more powerful against others. Another difference is the longevity of
the product once applied.





So, to pick the right roach powder for your situation, you’ll need to consider
these several factors:

 * What types of insects are you having problems with? There is a significant
   difference between products aimed at roaches, ones aimed at wasps, and
   powders for bedbugs, for example. Sure, they all claim to work against
   everything, but some are more effective against some insects and others are
   more effective against others
 * Do you want the product to be natural and safe for plants and animals or not?
   A lot of powders aimed for outdoor use in gardens are made to be safe for
   plants as using a heavy insecticide can effectively destroy your entire
   garden. This effectively means that they are usually less powerful than their
   more toxic counterparts, but when used correctly some good natural options
   can still be effective
 * Do you want a product with a permanent effect that you can just stuff into
   your walls or do you want something with a temporary effect that you can just
   use under the sink
 * How big do you want the product to be? Adequately figuring out how much
   product you’re going to need beforehand can save you a bit of change or can
   save you the need of having to buy more product next week
 * Price is rarely a consideration with roach powders as they are all similarly
   priced and not too expensive. Still, if you’re planning on using a lot of
   powder, choosing a cheaper but just as effective product can also save you
   some money.
 * The difference between the various roach powder brands can also be
   considered. Some are indeed known for decades of producing high-quality
   products, while others are either new and unknown on the market or are known
   for producing sub-par items. Here are the brands that we would recommend you
   look at first: Zap a Roach, Bayer, Enoz, Harris, Rockwell, BorActin, J. T.
   Eaton, DEsect, Hot Shot, and others.




OTHER USEFUL INFORMATION ABOUT COCKROACH POWDERS

Even though most roach powders are marketed as fairly non-toxic to humans and
mammals (and that’s usually true), it’s still strongly advised to keep them away
from food cabinets, kitchen appliances, and counters where you tend to prepare
food. This can be uncomfortable since these are the places that you usually want
to treat against roaches. Even if you clean the powder properly off the surface
you applied it to, some residue is still bound to have gone into the surface,
even if there is no stain. Eating off of such a surface or preparing food on it
can have long-term ramifications on your and your family’s health.

If you absolutely have to use roach powder in a food cabinet or on a counter,
remove all dishes from it and clean it as well as possible after you’re done
with the roach powder.


Even then it is ill-advised as roaches tend to avoid clean surfaces – there’s
nothing for them there. Unless you’re certain that there is a pest nest nearby
and insects will go through that area, avoid putting roach powder in food
processing areas or dishes cabinets.



ROACH POWDER USAGE

Using roach powders is fairly simple in principle, but there are still several
things that you need to keep in mind. After all, roach dust and powders are
poisons, so handling them should always be done with care. Furthermore, usually
when we use roach powders we do it because of a significant pest problem and
that’s really not the best time for mistakes or for suboptimal use of
insecticides.



So, what are some of the main things you should keep in mind when using roach
powders?

 * Location, location, location. It turns out that this isn’t just a marketing
   maxim, it’s also a vital principle when combating roach infestations. Roach
   powders aren’t something that you just dust around the apartment and hope to
   work. Roach powder works only when roaches and other insects are actively
   passing through it. Ideally, you want every single insect in your home to
   walk over the powder, but the more, the better. This means that the best way
   to use roach powder is to know the exact cracks and crevices your roaches and
   other insect pests are coming out of.
   
   If you’ve pinpointed the location of the pests’ nest and its exits, all
   you’ll need to do is circle said exits with powder so the insects are forced
   to go through it. If you don’t know where exactly your unwanted insect guests
   are coming out of, it would help to at least know their usual routes and
   spread the powder there.
   
   If you are not sure about those either, then just spread the powder on all
   nooks, crevices, and cracks in the infested areas, as well as on all edges
   and corners that might be traversed by the pests. Roaches prefer dark, dirty
   and damp spots, so putting powder in the center of a clean, sunny counter may
   not be worth it.
 * Keep in mind that powders take a while to have a significant effect on the
   population of cockroaches or other insects. The exact buffer period can vary
   depending on the active ingredient in the product, but it’s usually around 72
   hours. So, don’t get discouraged if you haven’t seen a noticeable change
   after just a day or two.
 * Don’t go overboard with the powder. The manufacturers of roach powders may be
   happy if you overuse their products and buy them more frequently, but to
   maximize your success you actually want to use the powder sparingly. Remember
   that the roaches and other insects are not supposed to notice the powder –
   they are not supposed to be drawn to it or anything like that. Instead, they
   are supposed to pass through it without even noticing it. If you pile the
   roach powder into entire hills, the pests will be more likely to circle
   around it than go through it.
 * Don’t use just one type of roach powder. Every roach powder product markets
   itself as the end all be all of roach killing tools, but that’s not always
   the case. Yes, most of the good products can single-handedly bring entire
   insect infestations to their knees, but very often they’ll just a partial job
   and still leave some stragglers behind. This isn’t so much due to the
   particular product being “bad” or subpar but is often because of
   circumstantial factors. Maybe a portion of the insects’ nest had an immunity
   to the active ingredient in that particular product. Maybe some of the
   insects in the nest used different routes where there was no powder and they
   kept away from the corpses of their fallen comrades. Maybe the nest was
   divided into several subsections and not every section was affected. Or,
   maybe, there were multiple nests and only a few of them got affected.
 * Whatever the situation, it’s almost always beneficial to use more than one
   product at the same time. Keep in mind, however, that different products can
   use the same active ingredient (the most common active ingredient in roach
   powders being boric acid). So, you’ll do well to make sure that the products
   you’re using actually have different ingredients.
 * You can also keep in mind that other types of products can also work in
   conjunction with roach powders. Roach sprays, for example, work on a similar
   principle – when roaches pass through the sprayed areas they get infected,
   they then go into their nests, die there, and infect a bunch of other
   roaches.
 * Replace the powder after a while. Depending on the active ingredient of the
   individual product, roach powders can have different longevity. Some last
   just a few days, other – several weeks, and some claim to last forever. In
   fact, there are certain boric acid products that are used inside the walls,
   floors, and foundations of houses to permanently keep insects at bay. Still,
   remember not to use the traps and the powder together.



EXPERT TIPS

Take notice of the longevity of the product you’re using and, if necessary,
replace it once said period is due. If you’ve noticed a decrease in insect
activity after a while, you might want to use a roach monitoring tool like roach
traps in between changing the powder to see if you even have a roach problem
anymore. Still, remember not to use the traps and the powder together.

 * 
 * 

 * Don’t use products that counteract the effects of roach powder. Roach sprays
   may work well together with roach powders, but there are a lot of other roach
   killing or roach monitoring tools that can actually create problems. Roach
   traps, for example, are often used together with roach powder, but they
   actually lower their effectiveness. The whole point of the roach powder is
   that the insect needs to pass through it and successfully reach its nest. If
   it gets caught in a trap, however, it will die alone there and it won’t be
   able to infect and kill any other insects. Ill-placed lures, baits, and bait
   traps can also counteract roach powders as they can lure the pests away from
   the powder. Roach repellents are also an ill fit with roach powders as you
   want the roaches and other insects to actually pass through the powder and
   not be repelled away from it.
 * If you are going to use a lure with the roach powder, make sure that you
   place it in such a way that it actually attracts the insects into the powder.
   The easiest way to do that is to circle the lure completely with the powder.
   Even if the powder is inconspicuously placed, insects will often still notice
   it and choose to walk around it – don’t leave them any such routes.
   Adequately placing the lure and the powder can drastically improve your
   kill-rate.
 * Don’t mix the powder with water. There are a few types of roach powder that
   actually can be mixed with water into a paste and they usually say so on
   their instructions. Most types and brands of roach powder shouldn’t be mixed
   with water, however. Water will usually only dilute the active ingredient in
   the powder and make it less potent. Additionally, it tends to make insects
   avoid the resulting paste even more.
 * Keep the roach powder away from pets and children. Most roach powders are
   odorless so that they don’t tip of the insects the need to walk over them. As
   a side effect, they also won’t attract your pets’ or kids’ interest with
   their smell. They are still interesting-looking white powders, however, so
   you can see how your toddler, dog or cat can show interest in it. Cats
   typically have the good sense not to eat or touch insecticides from the
   floor, but the same can rarely be said about kids and dogs. So, make sure
   that the powder – both the bottle of still unused product and the powder
   you’ve just applied – are inaccessible to your pets and kids. Apply the
   powder only in places they can’t reach – under and behind counters and
   appliances. Alternatively, you might want to cut off the access of your kids
   and pets to the treated rooms or at least try to reason with your child not
   to eat the white poison off the floor.


TO CONCLUDE

As you can see, the various different types of roach powders and dust, whether
with boric acid or with any other active ingredient, are a great way to combat
serious cockroach infestations. Most of them also work wonders on other types of
insect pests, from ants to bedbugs and from wasps to silverfish. Cockroach
powders and dust work on a very simple principle – they cling to the bodies of
the insects that pass on top of them and are later licked by said insects when
they are cleaning themselves. Upon ingestion, the insect is poisoned. What’s
even better – food dragged through a line of roach powder can infect an entire
nest, as can the corpses of already dead and poisoned roaches.





This makes roach powders and dusts into powerful tools that work much better
than simple monitoring devices such as glue traps. At the same time, however,
they can also pose risks for your pets and kids. Some roach dust and powders are
not toxic to mammals but most still are. As such, applying them to places that a
pet might lick them or a kid can choose to play with them is dangerous. For that
reason, it’s best to apply roach killer dust and powders under and behind
furniture and appliances, where they will be beyond the reach of your kids and
pets. Fortunately, those are the places where you want to apply roach powders
and dust anyway since those are the places that roaches and other insects
frequent most often.

Finding the best roach powder or dust for your particular situation is crucial
for dealing with the problem as quickly and as easily as possible. To that end,
we hope we’ve been of at least a little assistance. And to wrap things up, here
are once again the Top 3 best roach powders on the market right now:

 * The Zap A Roach Powder uses boric acid to exterminate any insect infestation
   you might be dealing with. It is odorless and it won’t stay the surfaces you
   chose to apply it onto, but it should be kept away from kids and pets.
 * The Harris Boric Acid Roach Powder also uses boric acid as its active
   ingredient. Applicable both indoors and outdoors, this powerful product is
   capable of easily wiping out entire nests at a time. What’s more, it also
   comes with a lure, as well as an applicator straw for easily reaching
   trickier spots and places.
 * The Bayer Tempo 1% Dust is a great insecticide that uses 1% of Cyfluthrin as
   its active ingredient. Thanks to it, the Tempo 1% Dust works wonders against
   more than just roaches and is applicable both indoors and outdoors. It is
   odorless and it doesn’t stain, but it should still be kept away from the
   reach of children and pets.





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IN THIS ARTICLE:

 * 1. Zap A Roach Powder BEST FOR ROACHES AND ANTS
 * 2. Harris Boric Acid Powder EASY APPLICATION
 * 3. Bayer Tempo Dust FOR INDOORS AND OUTDOORS
 * Other products to consider
 * About cockroach powders
 * Buying guide
 * Other useful information
 * Usage
 * Conclusion

We research and test to help you control insects and pests.

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