Soil Additives

 Studies have proven that rice hulls can efficiently replace perlite in your potting soil mixes and is much better for the environment. We have independently heavy metal tested the contents and will only work with PBH for our rice hulls because of...

  Western Colorado Is Losing Thousands Of Beautiful Trees To BeetlesBuildASoil is now turning that wasted wood into a Glorious Soil Amendment.Weight is approximate because we pack by volume.  Available Raw or Pre-ChargedOur...

 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...

GAIA GREEN Worm Castings are the unprocessed manure of earthworms. This all-purpose fertilizer is high in organic matter, and adds essential nutrients to the soil to encourage strong plant growth. Apply as a top dressing, side dressing, or work into soil...

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...

3 Types of Compost + Added Minerals. Top dress handfuls across soil surface before/during flowering. Increased Yield is often related to the health of the plant. To have a healthy plant, the soil must be in top shape. Many expensive flowering...

100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. No Fillers or starches, just pure great tasting all natural freeze dried young coconut water powder. FREE SHIPPING + Better Pricing + Better Product = BuildASoil...

 Soil conditioner (gold color) 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. 

 Light weight Vermiculite provides aeration and moisture retention. It also possesses cation exchange properties, thus it can hold available to the growing plant ammonium, potassium, calcium and magnesium. 

 This flowering mix is loaded with the nutrients and minerals needed for robust flower growth.   This mix is made from 10 certified organic amendments and is sprinkled onto the soil when your plant starts transitioning to the bloom...

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...

Procision Perlite Coarse is cut with a ten mesh screen leaving all material to retain #4. Perlite ore is a naturally occurring volcanic glass containing a small percentage of water. When that ore is introduced to tremendous heat the glass liquefies and...