Soil Additives

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings,...

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings,...

Stimulates vigorous growth and deep green color! A strong natural source of nitrogen, Organic Fish Meal is uniquely processed to retain maximum nutritional value without using high temperatures or...

BuildASoil Original Recipe! This water only mix was based on the famous Clackamas Coots recipe and it changed everything. After years of growing in this potting soil and hand making it for others, I...

BuildASoil brings you sulfur that you can introduce into your soil as a soil amendment. Wettable sulfur, and sulfur in general, is a tool to lower the pH levels in soil. Too much, the soil shows too...

If you're looking to mix soil you will need a Nutrient Kit and a Mineral Kit.Get both and save with our Complete Soil Building Kit.If you're looking for Nutrients see our 

Our Pre-Charged Char is soaked in a mixture of Ferti Nitro soy aminos at a rate of 1/2lb per yard and rootwise microbe complete at 1oz per yard.Bio Char varies in size based on what is available due...

 MACRO & TRACE MINERAL NUTRIENTS. Sea-90’s exclusive mineral and trace element profile complements and balances traditional NPK fertilizers with the important nutrients they often lack. MICRONIZED...

Living Organic Soil with Malibu Compost There is Approximately 7.5 Gallons of organic soil in each Cubic Foot Bag. BuildASoil’s Original Recipe with Biodynamic Malibu Compost! This water only...

Soil conditioner that loosens soil, provides aeration and retains water. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and perlite for custom soilless mix.

Lambert Horticultural Wood Charcoal filtration properties aid a media by purifying air and water. It is also used at the bottom of containers to aid in drainage of excessive water. Charcoal is also...

Lightweight soil conditioner that loosens clay soil, reduces caking, and improves drainage and aeration. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and...