Soil Additives

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 Founded BuildASoil.com to share the soil and its...

 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 FOR INSTANT SOLUBILITY. Dissolves quickly...

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 mix was based on the famous Clackamas Coots...

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 used with other substrates in the cultivation of certain...

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 vermiculite for custom soilless mix.

AG Limestone is an agent added to soil to help raise the pH without adding trace amounts of magnesium like Dolomite Lime.This Limestone contains 4% magnesium compared to Dolomite which is approximately 14% magnesium. Ag Lime contains aragonite which is...

BuildASoil Worm Castings are simply the best bulk source of castings we have ever had the pleasure of working with, we often find living worms still inside the castings.Ôªø This stuff is wet and moist and will often have live worms and cocoons inside...

This orchid bark is excellent propagation and potting media for orchids. Its ideal soil cover for indoor and outdoor container plants. Great for air plants, epiphyte orchid species that grow on branches above the rainforest floor and it provides a...

CHARCOAL - FERT-LOME 1.5 LB (750G)

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 Vermiculite is an aggregate used to increase water retention in your potting mixes. It is very useful to cover germinating seeds. In fact, its water-holding properties and its considerable porosity aid in insulating the germinating...