Soil Additives

Speak your plant's language! BuildASoil proudly welcomes the famous Jay Plantspeaker to our LEGEND SERIES to help you communicate with your plants in a truly meaningful way. Maybe your plants won't speak back, but they will show you they are happy. Using...

Last Longer Than Perlite & Has More Minerals 3/8" x 1/4" Pumice is perfect for potting soil.Pumice is created when super-heated, highly pressurized rock is violently ejected from a volcano. The unusual foamy configuration of pumice happens because of...

The reason we offer this rice bran, is because its an excellent nutrient for making your own fermented fertilizer called Bokashi. Besides this rice bran, you will also need molasses, water, and EM-1. ÔªøFREE SHIPPING on select Organic Rice Bran!A...

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...

Produced locally in Harvard, MA One gallon of Best Buds coarsely sifted worm castings. Used by growers during from seed through the growing season to promote healthy plants. Best Buds worm castings & compost tea is produced by our "best...

MontanaGrow is 76% amorphous silicon proven to increase: Plant Cell Wall Strength Photosynthesis Disease Resistance Flood Tolerance Nutrient Balance UV Tolerance Carbon Sequestration Drought and Salt Tolerance High & Low Temperature Tolerance...

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...

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 much salt, and the plants suffer, so measurement and...

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...

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 Nutrient Kit For Sphagnum Peat Moss Base - ClackamasCoots Style. We separate...