Why I Use First Saturday Lime All Over My Farm (And You Should Too)

If you’ve been on the homestead for any amount of time, you’ve heard of barn lime. But have you heard of First Saturday Lime? It changed the way I manage pests, odors, and moisture around my entire property — and I’m sharing exactly how I use it today.

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@thefrugalfarmgirl

Use around your coop, yard and house. #cooptips #chickencare #homesteadhacks #backyardbirds #naturalcare

♬ original sound – HYPATON

See exactly how I apply First Saturday Lime around my greenhouse, chicken coop, barn stalls & more — live on the homestead!

Keeping a clean, pest-free, odor-controlled farm is one of the biggest ongoing challenges of homestead life. Between the chicken coop, the barn stalls, the greenhouse, and just around the outside of the house, there’s always something that needs attention.

For a long time, I relied on regular barn lime — but once I discovered First Saturday Lime, I never looked back.

Today I’m breaking down where and how I use it, why it works so well, and, most importantly, what makes it so different from the bag of white lime you’ve been grabbing at the feed store.

First Saturday Lime vs. Regular Barn Lime — What’s the Difference?

This is the question I get asked the most, so let’s clear it up right away. They may look similar in the bag, but they’re very different products.

Feature	First Saturday Lime	Regular Barn Lime
Active ingredient	Calcium carbonate (food-grade)	Calcium hydroxide or calcium oxide (caustic)
Safe around animals?	✅ Yes — safe when dry around livestock & pets	⚠️ Can cause burns to skin, hooves, and respiratory tract
Safe around children?	✅ Yes	⚠️ Use with caution
Insect control	✅ Kills flies, mites, beetles, crawling insects	❌ Little to no insect control
Odor control	✅ Strong odor absorption	✅ Some odor control
Moisture absorption	✅ Yes	✅ Yes
Indoor use	✅ Coop, barn, basement, garage	⚠️ Limited — respiratory concern
Outdoor use	✅ Around home, garden, greenhouse	✅ Primarily soil amendment
EPA registered pesticide	✅ Yes (kills insects mechanically)	❌ No

The biggest game-changer for me? First Saturday Lime is an EPA-registered pesticide that works mechanically — meaning it kills insects by physical means rather than chemical toxins. That means no worrying about chemical residue in my coop, around my animals, or near my garden beds.

Where I Use First Saturday Lime on Our Farm

The Chicken Coop

This is where FSL really shines. I dust it along the floor, in the corners, under the roosts, and in the nest boxes. It controls flies, mites, and lice — the three biggest nuisances in any coop — while absorbing moisture and keeping odors down between deep cleans. I also sprinkle it in the dust bath area to help keep mites at bay.

The Barn Stalls

Before I add fresh bedding to the stalls, I lay down a layer of First Saturday Lime on the floor. It creates a dry barrier, controls urine odor, and discourages flies from breeding in wet bedding. My barn smells so much cleaner between full muck-outs now.

Around the Greenhouse

I apply FSL along the base of the greenhouse walls and across the doorway threshold. It creates a barrier that crawling insects have to cross — and most don’t make it. This has dramatically reduced the number of beetles and pests that work their way inside and damage my seedlings.

Around the Home

I scatter it along the foundation of the house, under the porch, around the garage door, and near the basement windows. It’s a safe, non-toxic way to create an insect barrier around your living space — no harsh chemical sprays needed, and I feel completely comfortable with my kids and dogs being around it.

How to Apply First Saturday Lime

One of the things I love most about FSL is how easy it is to use. No mixing, no sprayers, no special equipment.

My Application Tips 🌾

• Dry application: Scatter or dust it on the surface. Use a scoop, old coffee can, or repurposed shaker bottle for easy spreading.
• Around perimeters: Create a 2–4 inch band around doorways, foundations, and greenhouse edges. Refresh after rain.
• In the coop & stalls: Apply to the floor before adding bedding, and reapply on top of bedding every 1–2 weeks or when you notice odor building up.
• Nest boxes: A light dusting in and around nest boxes helps control mites without any harm to hens or eggs.
• After rain: Reapply outdoor applications after heavy rainfall since water washes it away.
• Storage: Keep your bag dry and sealed. Moisture will clump it, though it’s still usable.

Is First Saturday Lime Worth the Cost?

Let’s talk frugal for a moment — because that’s what we do here. First Saturday Lime costs more per bag than regular barn lime, and I won’t pretend otherwise. But when I think about what I used to spend on separate fly sprays, mite treatments, coop deodorizers, and perimeter pest sprays… the math actually works in FSL’s favor.

One product. Multiple uses. Safe enough to use freely. That’s what frugal living is really about — spending smart, not just spending less.

I buy it in the larger bags to bring the per-application cost down, and I’ve found it lasts me a good long while even using it in all the places I mentioned above.

Final Thoughts

If you haven’t tried First Saturday Lime yet, I really encourage you to give it a shot — especially if you’re tired of fighting flies in the coop, battling odors in the barn, or watching pests sneak into your greenhouse. It’s become one of those products I genuinely don’t want to be without on this farm.

And make sure you check out my video to see exactly how I’m applying it today — because watching it in action makes it so much easier to picture how it can work on your farm too.

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