Skip to content

Hello and Welcome To BuildASoil...

Have The Best Indoor Grow Of Your Life

High Quality Products and Free Education

Store Locator Rewards

Search

Search Log in 0 Cart

Menu

Shop
Complete Kits
Soil
Store Locator
Educational
Support

Home
Amendments

Amendments

(29 products)

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Compare

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Price

From $

-

To $

From To

Clear

Brand

BuildASoil (20)
Diamond K (2)
Farm Fuel (3)
Growing Organic (2)
Rock Dust Local (1)
Titan Biologicals (1)

Clear

Product Type

Probiotics (2)
Soil Building (27)

Clear

Product Subtype

Amendment (29)
Bulk (3)
Calcium (5)
Compost Tea (1)
DIY Soil Kits (5)
Foliar Sprays (1)
Mineral (12)
Nitrogen (4)
NPK (17)
Organic Matter (1)
Pest & Pathogen (3)
Phosphorus (4)
Silica (2)
Trace Minerals (5)
Water Soluble Powder (2)

Clear

Free Shipping 2+ Items

Yes (22)

Clear

Ships Free

Yes (2)

Clear

Compare

BuildASoil
Amino-Cal Boost

(19)

From $30.00

In stock (75 units)

View details
Compare

BuildASoil
Basalt Rock Dust Soil Amendment

(137)

From $21.00

In stock (96 units)

View details
Compare

BuildASoil
Bio-Char

(213)

From $30.25

In stock (106 units)

View details
Compare

Rock Dust Local
BrixBlend Basalt

(16)

From $76.00

View details
Compare

New arrival

BuildASoil
BuildASoil Commercial Pro Blend - Nutrient Pack

From $26.00

In stock (260 units)

View details
Compare

BuildASoil
BuildASoil Complete Soil Building Kit - Coot Approved

(198)

From $71.50

In stock (152 units)

View details
Compare

BuildASoil
BuildASoil Craft Blend - Nutrient Pack

(1610)

From $28.00

In stock (583 units)

View details
Compare

BuildASoil
BuildASoil Mineral Kit - (For Peatmoss)

(85)

From $51.00

In stock (131 units)

View details
Compare

BuildASoil
BuildASoil Multi-Cal: A Diverse Calcium Blend

(12)

From $27.00

In stock (47 units)

View details
Compare

New arrival

BuildASoil
BuildASoil Nitrogen Blend: Organic N

From $23.00

Very low stock (2 units)

View details
Compare

BuildASoil
BuildASoil No-Till Living Soil Bundle

(122)

$319.00

In stock (45 units)

View details
Compare

BuildASoil
BuildASoil Nutrient Kit - Official ClackamasCoots Style

(83)

From $38.00

In stock (156 units)

View details
Compare

BuildASoil
BuildASoil Phosphorus Blend: Pushin' P

(22)

From $28.00

In stock (131 units)

View details
Compare

BuildASoil
Bulk Basalt Rock Dust Soil Amendment By The Yard 1 Ton

(130)

$385.00

In stock (28 units)

View details
Compare

Diamond K
Bulk Diamond K Gypsum - Solution Grade

(105)

$330.00

In stock (23 units)

View details
Compare

Farm Fuel
Bulk Pajaro Valley Gold Organic Rice Bran

(11)

$1,760.00

Very low stock (2 units)

View details
Compare

Up to 21% off

BuildASoil
Clackamas Coots Official Gnarly Barley - Artisan Sprouted Seed Blend

(360)

From $33.00

In stock (214 units)

View details
Compare

Diamond K
Diamond K Gypsum - Solution Grade

(105)

From $20.00

In stock (122 units)

View details
Compare

Growing Organic
Kashi Blend

(421)

From $35.00

In stock (105 units)

View details
Compare

Growing Organic
Kashi Blend Bloom

(49)

From $40.00

In stock (69 units)

View details
Compare

BuildASoil
MontanaGrow Silica Amendment

(181)

From $30.00

In stock (80 units)

View details
Compare

Farm Fuel
Mustard Seed Meal

(112)

From $42.00

In stock (186 units)

View details
Compare

BuildASoil
Neem and Karanja Mixed 50/50

(132)

From $26.40

In stock (75 units)

View details
Compare

Up to 24% off

BuildASoil
Nutrient Kit: Re-amend Old Soil

(94)

From $24.00

In stock (123 units)

View details
Compare

BuildASoil
Ocean Grown Blend and Trace Minerals

(37)

From $25.00

In stock (136 units)

View details
Compare

Titan Biologicals
OptiVeg - Chitin and Aminos

(73)

From $44.00

In stock (51 units)

View details
Compare

Farm Fuel
Pajaro Valley Gold Organic Rice Bran

(11)

From $43.00

In stock (44 units)

View details
Compare

BuildASoil
Premium Insect Frass

(153)

From $40.00

In stock (21 units)

View details
Compare

BuildASoil
Wollastonite - Calcium Silicate CalSil

(1)

From $20.00

In stock (45 units)

View details

Your cart

Your cart is empty

Subtotal:$0.00 USD

Loading...

Promoted products

Ocean Grown Blend and Trace Minerals

From $25.00
BuildAVeg: Vegetative Plant Booster by BuildASoil

From $40.00
BuildASoil Potting Soil Recipe 3.0

From $49.99
BuildASoil BIG 6 Micronutrients + Humic Acid

From $19.80
Thrive Yah-Whey Concentrate: Holy Cow

From $60.00
BuildASoil No-Till Living Soil Bundle

$319.00
Perma Soil - Perennial Recipe for Houseplants and Tropicals

From $29.00
BuildABloom - Amino Chelated Bloom Booster

From $30.25
BuildASoil Craft Blend - Nutrient Pack

From $28.00
PAR METER (PPFD): Lightray Diffuser & Cosine Corrector

$28.00

Our Mission:

BuildASoil is committed to sharing the highest quality products and free education to living soil enthusiasts.

Check out our Youtube for hundreds of free educational videos.

Quick Links

Store Locator
Blog
Contact Us
Products
The Growing System
Privacy Policy
Shipping Policy
Wholesale
Guarantee
Track Your Order
Consulting
Employment
Affiliate Program
Local Store Shoutout

Social Media Links

YouTube
Instagram
Facebook
X
Tik Tok

Newsletter

Sign up for exclusive offers, original stories, events and more.

Email

Payment methods accepted

© 2025 BuildASoil.

Compare /3

Loading...

Loading...

Choose options

Item added to your cart.

View cart