Soil Additives

 Diatomaceous Earth is an odorless and Non Toxic white powder. It is composed of finely milled fossilized shells of organisms called diatoms. The powder has an abrasive quality similar to pumice with very high porosity. The porosity allows it to...

 BuildASoil's Favorite Mustard Seed Meal Fertilizer is approved for organic production. Our fertilizer is rich in natural plant nutrients and amino acids. Its formulation is 100% plant-derived allowing for a unique organic composition that...

Down To Earth’s Garden Gypsum improves the physical condition of landscape, lawn and garden soils while adding calcium and sulfur. Commonly used to reduce soil compaction and increase drainage in heavy clay soils, gypsum is also used to help remediate...

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 synthetic chemicals. Applied to leaves it is assimilated...

Premium grade of coarse Canadian sphagnum peat moss. When mixed with soil, increases the soil's capacity to hold water and nutrients. Can be blended with perlite and vermiculite when custom soilless potting mix is desired.

 Dive into the transformative power of the Sea-90 Grower's Series, meticulously crafted for Lawns, Gardens, Hydroponics, and Flowers. Whether you're nurturing a delicate flower bed or managing a sprawling hydroponic system or foliar spraying your...

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...

3 Times more available than standard Calcium phosphate due to it's fine micronization.BuildASoil Calcium Phosphate is a natural mined mineral used for soil building. It can be applied dry or in a liquid suspension to the soil.For best...

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.

Down To Earth’s AZOMITE, the “A to Z Of Minerals Including Trace Elements,” is a natural trace mineral product formed from the dust of an ancient volcano in central Utah. AZOMITE can improve plant and root system growth, crop yields, quality and...

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.