Soil Additives

If you're looking to mix your own soil you will need a Nutrient Kit and a Mineral Kit.Save Money and Get both together in our Complete Soil Building Kit. If you're looking for minerals see our Mineral Mix for Peat Moss. We separate the two so that the...

If you're looking to mix your own soil you will need a Nutrient Kit and a Mineral Kit.Save Money and Get both together in our Complete Soil Building Kit. If you're looking for minerals see our Mineral Mix for Peat Moss. We separate the two so that the...

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...

Lambert Horticultural Perlite 8 Dry Qt

Beautiful Small Black Lava Rock looks like small/medium perlite and is much better.Please note that due to this products weight it is always shipped USPS.This small black lava rock comes with black lava rock powder in it and will add to the minerals...

BuildASoil Craft Blend started with a big workshop full of the best and cleanest soil amendments available. I quickly became spoiled and would use all of the BuildASoil ingredients together and in different combinations that aren't available here online...

Oyster Shell Flour is a high quality soil conditioner which consists of 96% calcium carbonate and many micronutrients, Oyster Shell Flour provides a long-lasting, steady release of nutrients to help regulate pH levels, improve fertilizer uptake, promote...