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Dry Amendments

132 products

Dry amendments and minerals to build and recharge living soil.

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Elite Starter Bundle — The Soil Makers organic soil amendment. Elite Starter Bundle, additional product view 2
$200.00
$200.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Elite Starter Bundle — premium all-in-one kit that takes your plants to...
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Mealworm Frass — The Soil Makers organic soil amendment.
$30.00
$30.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Mealworm Frass is a powerful soil amendment from The Soil Makers design...
Neem seed meal — The Soil Makers organic soil amendment.
from $30.00
from $30.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.  Neem seed meal is a dual-purpose amendment that combines pest managem...
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Basalt Micro-Fines — The Soil Makers organic soil amendment. Basalt Micro-Fines, additional product view 2
from $32.00
from $32.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Basalt Micro-Fines — re-mineralize your soil with basalt rock dust for ...
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Fish Meal — The Soil Makers organic soil amendment.
from $32.00
from $32.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Fish Meal 7-4-0 — 62% Protein from The Soil Makers delivers a slow-rel...
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Soybean Meal — The Soil Makers organic soil amendment.
from $28.00
from $28.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.The Soil Makers Soybean Meal is a granular, certified non-GMO fertilize...
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Elemental Sulfur — The Soil Makers mineral soil amendment.
from $10.00
from $10.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Elemental Sulfur — Pelletized sulfur to correct sulfur deficiencies an...
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Potassium Sulfate — The Soil Makers mineral soil amendment. Potassium Sulfate, additional product view 2
from $28.00
from $28.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Potassium Sulfate — premium SOP granules from The Soil Makers, enginee...
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Soil Re-Amend Kit — The Soil Makers organic soil amendment. Soil Re-Amend Kit, additional product view 2
from $40.00
from $40.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Soil Re-Amend Kit — refresh and revitalize your existing living soil w...
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Copper Sulfate — The Soil Makers mineral soil amendment.
$19.00
$19.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Copper Sulfate powder from The Soil Makers provides a precise copper m...
Fish Bone Meal — The Soil Makers organic soil amendment.
from $34.00
from $34.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Fish Bone Meal — a marine-based phosphorus and calcium fertilizer for ...
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Gypsum Solution Grade — The Soil Makers organic soil amendment.
from $25.00
from $25.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Gypsum - Solution Grade from The Soil Makers is a Diamond K Premium 97...
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Zinc Sulfate — The Soil Makers mineral soil amendment.
$19.00
$19.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Zinc Sulfate Monohydrate Powder from The Soil Makers delivers essentia...
Seabird Guano — The Soil Makers organic soil amendment.
from $35.00
from $35.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Seabird Guano from The Soil Makers is a phosphate-dense soil amendment...
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K-mag Granular — The Soil Makers organic soil amendment.
from $40.00
from $40.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. K-Mag Granular is a naturally mined fertilizer that delivers three ess...
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Boron 10% Granules — The Soil Makers mineral soil amendment.
from $20.00
from $20.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Boron 10% Granules — precise boron nutrition for thriving home gardens....
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Manganese Sulfate — The Soil Makers mineral soil amendment.
$19.00
$19.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Manganese Sulfate from The Soil Makers is a fast-acting manganese sourc...
Magnesium Sulfate Epsom Salt — The Soil Makers mineral soil amendment.
$15.00
$15.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Magnesium Sulfate Epsom Salt — fast-acting Mg & S fertilizer for th...
Kelp meal OG — The Soil Makers organic soil amendment.
from $35.00
from $35.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Kelp Meal OG is a premium seaweed-based soil amendment harvested from ...
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Aragonite/Oyster Shell Flour — The Soil Makers organic soil amendment.
from $23.00
from $23.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Aragonite/Oyster Shell Flour — premium coral-sea calcium to fuel soil ...
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ENDGAME Flowering mix — The Soil Makers organic soil amendment. ENDGAME Flowering mix, retail packaging
from $35.00
from $35.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. ENDGAME Flowering mix — a bloom-focused nutrient blend designed to pus...
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Nutrient & Mineral Blend — The Soil Makers organic soil amendment. Nutrient & Mineral Blend, additional product view 2
from $40.00
from $40.00
$0.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Nutrient & Mineral Blend from The Soil Makers is a rigorously test...
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Gypsum Granular — The Soil Makers organic soil amendment.
from $25.00
from $25.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Gypsum by The Soil Makers is a naturally mined calcium sulfate soil am...
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Calcium Montmorillonite Clay — The Soil Makers organic soil amendment.
from $28.00
from $28.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Calcium Montmorillonite Clay — a trace mineral colloidal silicate from...
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Bio-Char Raw — The Soil Makers organic soil amendment. Bio-Char Raw, additional product view 2
from $30.00
from $30.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Bio-Char Raw — unlock durable soil carbon, resilient crops, and a thriv...
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Azomite® — The Soil Makers organic soil amendment.
from $28.00
from $28.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. AZOMITE® is a natural mineral amendment sourced from an ancient deposi...
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Elite LOS Mixing blend — The Soil Makers organic soil amendment.
from $75.00
from $75.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. The Elite LOS Mixing Blend from The Soil Makers is a complete soil-mix...
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Alfalfa Meal — The Soil Makers organic soil amendment.
from $20.00
from $20.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Alfalfa Meal Organic Alfalfa Meal provides a rich source of nitrogen, ...
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KiS Organics Nutrient Pack — KiS Organics organic soil amendment. KiS Organics Nutrient Pack, additional product view 2
from $26.00
from $26.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.The Large Nutrient Pack now comes in a 42lb bag. The KiS Organics Nutri...
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Fertoz — The Soil Makers organic soil amendment. Fertoz, additional product view 2
from $27.00
from $27.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Fertoz is a rock-phosphate–derived phosphorus fertilizer from The Soil...
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Crab/Lobster shell chunks — The Soil Makers organic soil amendment.
from $25.00
from $25.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Crab/Lobster shell chunks — Organic Crab Shell (5-3-0) a dry, nutrient...
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Crab/Lobster Shell Flour — The Soil Makers organic soil amendment.
from $40.00
from $40.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.Crab/Lobster Shell Flour is a finely ground crustacean meal crafted to ...
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Bloom Top-Dress Kit — The Soil Makers organic soil amendment. Bloom Top-Dress Kit, additional product view 2
$45.00
$45.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.A precise, nutrient-rich top-dress designed to fuel flowering and fruit...
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KiS Organics Bloom Booster 2-8-6 — KiS Organics organic soil amendment. KiS Organics Bloom Booster 2-8-6, additional product view 2
from $29.00
from $29.00
⚠️ This item ships separately directly from our supplier partner and will arrive independently from other items in your order.KiS Organics Bloom Booster gives your plants that extra boost in flower...
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BuildASoil fish bone meal fertilizer bag
$79.99
$79.99
Boost your garden's growth with BAS Fish Bone Meal! This 20lb blend of all-natural fish bones provides essential nutrients to your plants, resulting in healthier and more vibrant foliage. Experienc...
BuildASoil TeraKashi bokashi pouch, 5 pounds
$60.00
$60.00
This 5lb TeraKashi Bokashi Pouch is an essential addition to any amateur or professional gardener's toolkit. Made with 100% natural ingredients, it increases soil fertility by breaking down organic...
BuildASoil horticultural aloe concentrate bottle, 4 ounces
$79.99
$79.99
BuildASoil's New Horticultural Aloe! Build-A-Soil Horticultural Aloe is a 100% pure Aloe Vera concentrate powder. We only use mature organic Aloe Barbadensis Miller leaves which are processed and f...
BuildASoil ag limestone soil amendment bag, 4 pounds
$13.99
$13.99
BAS AG Limestone 4lb is a professional-grade product designed for agricultural purposes. This high-quality limestone supplement contains essential minerals that can improve soil pH levels, promotin...
BuildASoil organic malted grain for sprouted seed tea, 1.5 pounds
$15.99
$15.99
Certified Organic Two Row Malted Barley No More Sprouting Barley! Malted Barley comes professionally sprouted then dried ready for your SST. We now offer two types of Malted Barley: Whole Malted B...
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BuildASoil Kashi Blend fermented grain amendment bag, 5 pounds
$60.00
$60.00
Discover how our Kashi Blend, a diverse grain bokashi, can jumpstart your gardening and composting efforts! WHATS IN YOUR KASHI BLEND? Our Kashi Blend is derived from organic molasses, organic rice...

Featured brands!

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