First Saturday Lime Monthly Pet Insect Repellent, 5-lb bag

By First Saturday Lime
Rated 4.15 out of 5 stars
$9.99Chewy Price
$11.99Chewy Price
$9.49Autoship Price
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About This Item


  • Fights annoying pests like fleas, ticks, ants, gnats, bugs that bite, bugs in gardens, wood-boring insects and more.
  • Simply sprinkle the repellent around your home, on your lawn or even on still water to help prevent algae from growing and to combat mosquitos.
  • Can be used inside your pet’s bedding as an antimicrobial to fight mites, lice and bacteria that causes foul odor.
  • Eco-friendly formula made without toxic chemicals.
  • Lab-proven and field-tested to repel bugs.

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Play Video: Learn More About First Saturday Lime From Our Team of Experts
Learn More About First Saturday Lime From Our Team of Experts

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Top IngredientsCitric Acid, Calcite.Diatomaceous EarthDiatomaceous EarthDiatomaceous Earth, Neem, Yarrow.3-phenoxybenzyl-(1RS, 3RS, 1RS...
Breed SizeSmall Breeds, Medium Breeds, Large Breeds, All BreedsAll Breeds
Health FeatureDigestive HealthDigestive HealthSkin & Coat Health

Questions & Answers

35 Customer Questions

Is it save for my chicken? A lot of products tout the “whole natural “ approach... like diatomaceous earth, which is very bad for chicken’s respiratory system. So I am really skeptical and cautious!
Answer by ChewySep 01, 2020
First Saturday Lime is safe for animals of any size to touch or have near a feeding source when used as directed. Lime is safe for pets when used as directed, even if accidentally ingested.

What happens if you get a lot of rain. Do you have to put it down every time after a rain?
Answer by ChewyJun 28, 2020
The product is insoluble so it dries back out and is just as effective. Check the area once a month (like the first Saturday of the month!) and reapply if necessary.

In the ingredients it does not say there is lime in it. Why does the name say Lime?
Answer by ChewyJun 28, 2020
FSL is primarily 2 types of lime: hydrated lime and citric acid from limes that has been specially treated with our Patent Pending process to be insoluble and safe when used as directed.

Is this safe to mix in the bedding of a guinea pig cage? Could I also mix it in litter boxes?
Answer by ChewyJul 29, 2020
First Saturday Lime Monthly Pet Insect Repellent is safe for all animals. We recommend using as directed by the manufacturer.

ReviewsWrite a Review

Rated 4.15 out of 5 stars
40 Ratings
Would recommend to a friend

39 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.
Rated 5 out of 5 stars
By JENNIFER on Nov 8, 2023

Works great for our chicken

We've been using this product in our chicken coop and dust bath since March 2023 and it seems to really make a difference repelling insects.

Rated 5 out of 5 stars
By Karen on Nov 8, 2023

First Saturday Lime

I use this in my chicken coop. It helps bring down the smell. We recently also used it when a large turtle died in our yard.

Rated 3 out of 5 stars
By tree on Jul 29, 2023


I just got this in the mail. And one bag is clearly less full. They are 5lbs each bag. So I'm a little upset. I have three stars because I haven't tried it yet. I'm sure the product is good. But not worth the money for less than half a bag

Rated 5 out of 5 stars
By Barbara on Nov 19, 2023

Customer for years

My order always comes on time with everything I've asked for it's wonderful thank you

Rated 5 out of 5 stars
By Arin on Jul 11, 2023

Insect repellent for chickens

Works great, after I clean up the coop I put this all around the base and in the nesting boxes and around the perimeter of the coop to prevent ants from coming in and then put on the pine shavings and you’re good to go for a while

Rated 1 out of 5 stars
By Laura on Jun 30, 2023

Not as expected

So far, it hasn't worked with spiders nor with silverfish. The bag doesn't have a very strong scent so I'm not sure how the reviews have been stating that it makes their coop smell better. I'm still trying it out to see if something will improve.

Rated 5 out of 5 stars
By Kelly on Jun 18, 2023

Safety First

I have used this lime many times in my chicken coop. Works very well and I never worry that it will harm my chickens. I’m so glad Chewy carries it at a great price. Love my Chewy!

Rated 5 out of 5 stars
By ryannmarie on May 4, 2023

Great product!

Keeps my chicken coop dirt floor dry and keeps the ammonia smell down a lot!! Not as dusty as other lime applications and this is a cleaner formula. I haven’t had any sneezing from my chickens after applying. I use a fine mesh strainer to dust around the floors and their roosting bars.

Rated 5 out of 5 stars
By happy1 on Aug 19, 2023


love it! kills all bugs with an exoskeleton! kills odor! safe for all

Rated 5 out of 5 stars
By skyef on Apr 23, 2023

awesome stuff!!

I’ve had a problem with bugs in the coop for awhile and this worked absolute MAGIC at keeping them away and helping keep the coop smelling a little extra fresh!! I highly recommend this product!