Harris Famous Roach & Silverfish Killer Tablets, 6 oz.
Harris Famous Roach & Silverfish Killer Tablets, 6 oz.
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Harris Famous Roach & Silverfish Killer Tablets, 6 oz.

Key item features

  • Effective Formula: Contains 40% boric acid with a specially formulated lure to attract and kill roaches, water bugs, and silverfish.
  • EPA Registered: Approved by the Environmental Protection Agency (EPA No. 3-1) for safe use in homes with people and pets.
  • Colony Elimination: Roaches carry the boric acid back to their nests, effectively killing the entire infestation.
  • Indoor Use: Ideal for hidden areas such as behind refrigerators, under drawers, appliances, and cabinets.
  • Versatile Application: Suitable for use in homes, apartments, hotels, restaurants, boats, RVs, garages, attics, and other locations where cockroaches are found.
  • Easy to Use: Simply place tablets in out-of-the-way areas where roaches travel; reapply as necessary.
  • Compact Size: Comes in a 6 oz. package, sufficient to treat an entire house.
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Customer ratings & reviews

3.9 out of 5 stars
stars1,511 ratings422 reviews
How item rating is calculated
  1. 5 stars58% (872)
  2. 4 stars11% (163)
  3. 3 stars8% (126)
  4. 2 stars6% (97)
  5. 1 star17% (253)

Reviews summary

Pros

  • : Simple to use in various spaces.
  • : Provides a good deal for the investment.
  • : Kills bugs and keeps them away from hidden areas.

Neutral

  • : Can be effective, but inconsistent in attracting and killing roaches.
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Showing 1-3 of 422 reviews

Mar 20, 2026
Serena
Top Reviewer
5 out of 5 stars review

Verified Purchase

A few years back I ended up bringing in bugs from some stuff I got at a thrift store. I put the gel stuff around and still kept seeing them. Got these pills and immediately quit seeing any. That was 5, 6 years ago. Recently seen a bug again so put more of these around and have not seen anymore.

Helpful?2VMWIO0D9S9G37572486
Jun 16, 2025
FirstLadyBossFancy
Top Reviewer
5 out of 5 stars review

Verified Purchase

"In Time You Will Become Aware That It Works"

First Lady Boss Fancy ordered Harris Famous Roach %26 Silverfish Killer Tablets, 6 oz. on May 24, 2025. The product was delivered on May 25, 2025. "The Story" On May 16, 2025, [Friday] a cockroach was spotted behind the toilet. Bugs are a no, no! By May 17, 2025, spotted in the office ceiling. Then, another one in the bathroom ceiling. Another one in the hallway. On its back on the kitchen floor. This is when the family noticed the poison had started serving its purpose. After these come crosses, as of June 23, 2025 [Monday] no more have been spotted. Although it took research to find this particular product, thank you, Harris. If you have patience, I recommend If not, I do not. Patience is necessary when working with these invaders. With appreciation,

Helpful?2VMWIO0D9S9G37572486
Mar 1, 2026
HappyinNewport
5 out of 5 stars review

Verified Purchase

Best solution ever!

We live in an apartment and were getting over-run by roaches coming from the apartment next door. The manager had an exterminator come in several times and nothing he put out or sprayed worked. We tried traps, sprays, gels; everything we could get our hands on and nothing worked. We were concerned about what we used as we had pets. Then, a friend recommended these tablets. They were super easy to put out and we could put them where the roaches were and where our pets couldn't reach them. The roaches were all gone in a little over 1 week!

Helpful?2VMWIO0D9S9G37572486