Amdro Vs. BioAdvanced Ant Killer [Why We Like Amdro]

Ant infestations are a nuisance when these ants invade homes or yards.

Amdro ant block home perimeter and Bioadvanced Fire Ant Killer dust are among the most popular products to eliminate ant colonies.

Even though both are reliable, the Amdro Ant Block Home Perimeter is a smarter choice since it can eliminate up to 25 ant species. The Bioadvanced Fire Ant Killer dust is only suitable for removing fire ant species – Since Amdro removes fire ants also, the only time we suggest BioAdvanced Fire Ant Killer is for indoor use.

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Along with eliminating more ant species, the Amdro Ant Block is safer around kids and pets when used according to the manufacturer’s instructions.

In this guide, we shall explain the features of each product in detail to help you make an informed decision on which product you should use to solve your ant problems. 

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Amdro Ant Block Home Perimeter

A very reliable ant killer you can use to prevent ants from getting into your home.

You should use it around or near entry points where ants will likely find their way to your home.

It is dual-action bait designed to attract and kill multiple ant species.

ants with white stuff

Once you apply the Amdro Ant Block Home Perimeter Ant Killer, it remains active for up to 3 months.

Like other ant baits, the worker ants consume it thinking it’s food, and they take it back to their colonies to share it with other ants, including the queen.

You may see a decrease in ant activities the first week after you apply it, but it may take up to a month to destroy the whole ant colony. 

Which type of ants does Amdro Ant Block Home Perimeter Kill?

Once you apply it, this ant killer eliminates ants quickly and prevents others from forming.

 It is strong enough to eliminate up to 25 ant species which include;

  • Fire ants
  • Argentine ants
  • Pavement ants
  • Lawn ants
  • Pharaoh ants
  • Little black ants
  • Honey ants
  • Southern ants
  • Harvester ants
  • Citronella ants
  • Nuisance ants 
  • Pyramid ants
  • Black turf ants
  • Carpenter ants
  • Ghost ants
  • Acrobat ants
  • Black tuff ants
  • Bighead ants
  • Thief ants
  • Field ants
  • Allegheny mound ants
  • White-footed ants
  • Crazy ants
  • Cornfields ants
  • Texas leaf-cutting ants

When should you use the Amdro Ant Block Killer?

You should use it whenever you see minimal ant activity around your home.

If you want the best results, you should apply it early in the morning or the evening since ants are more active around that time.

Again, never use it on wet ground or grass. This also means you should not apply it when it is about to train, or temperatures are below 50⁰F. 

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Where should I use it?

This ant bait is designed for ornamental gardens, landscaped areas, and lawns.

You should never use it in vegetable gardens or around food crops; again, it is unsuitable for indoor use.

Besides killing ants, this product has been noted to control other pests like roaches, earwigs, and crickets.

spraying a cockroach

Is it safe for pets and humans?

The active ingredient in this ant bait is known as hydramethylnon. This ingredient is not very toxic to humans, birds, or animals but should never be ingested or blindly trusted around children and small animals.

You should always use products like this per the manufacturer’s guidelines and not trust random guides on the internet like this one.

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How should you use the Amdro Ant Block around buildings or on individual mounds?

When using it around buildings, you should apply a 12-inch wide band around the perimeter of your home.  

Sprinkle it directly into or around ant mounds using a measuring cup or a disposable spoon when using it for individual mounds. 

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  • Ideal for controlling other pests
  • Easy to use since you don’t need special tools or equipment 
  • Safe for pets and kids
  • Budget-friendly 
  • Creates a long-lasting barrier around your home


  • Not ideal for indoor use
  • Hydramenthylon may affect even beneficial insects like butterflies and bees


Bioadvanced Fire Ant Killer Dust

The Bioadvanced Fire Ant Killer Dust is a low-odor formula that works immediately after application.

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It is straightforward to use since you only need to shake it gently when sprinkling it on the affected areas and then leave it.

The 1lb bottle is enough to treat up to 130 mounds, so use this math to figure out how long it’ll last.

Once the ant feeds on it, they take it back to its colonies, where it eliminates the entire ant colony in just three days.

It doesn’t kill immediately, giving the worker ants enough time to spread it throughout the mound. It comprises two active ingredients, which are Bifenthrin and Zeta- cypermethrin.

These two ingredients are highly toxic, which enables them to kill fire ants on contact. 

Where should I use it?

Unlike the Amdro Ant Block, which is only suitable for outdoor use, the Bioadvanced Fire Ant Dust can be used indoors or outdoors.

This means you can apply it on lawns, flower beds, gardens, or other outdoor areas where their fire arts are present.

It is also perfect for indoor spaces like garages, patios, and basements. 

Man barbecuing

Is it weather-resistant?

Unlike the Amdro Ant Block, which is affected by rain, the Bioadvanced Ant Killer is weather-resistant and can withstand environmental factors such as rain.

This also means that it remains active even when there is rain or when it is wet. In terms of durability, it lasts longer than the Amdro Ant Block since it remains active for up to 8 months after application. 

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Which type of ants does Bioadvanced Fire Ant Killer Control

If you are searching for a versatile ant killer that can eliminate a wider variety of ant species, the Amdro Ant Block will be a better option.

This is because the Bioadvanced Fire Ant Killer is only effective in eliminating harvester ants and fire ants such as;

  • Southern fire ants
  • Red imported fire ants
  • Black imported fire ants 

How to apply it

You should use only one teaspoon per mound or teaspoon if the mounds are bigger than 12 inches.

Shake it well, then remove the cap but don’t remove the foil shaker. When applying,

  • Hold the container 12 to 18 inches above the mound
  • Tilt the bottle to use multiple holes
  • Shake slowly and sprinkle it uniformly on the mound
  • To get the best results, you should sprinkle 1 gallon of water gently after applying 


  • Fast acting
  • Weather-resistant 
  • Easy to apply 
  • Lasts for up to 8 months
  • Affordable price
  • Ideal for outdoor and indoor use


  • It kills only a limited ant species 

Final Thoughts

This comparison shows that the Amdro Ant Block Home Perimeter is better since it kills a broader range of ant species than the Bioadvanced Fire Ant Killer.

It is also affordable and easy to use, although it may not be suitable for indoor use.

Again, Amdro Ant Block is more versatile since you can eliminate other pests, such as roaches.

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