Soil Additives

GROW!T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure...

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...

GROW!T Perlite is a versatile and inert soil amendment and soilless medium. Use it to aerate soil in container gardening, for germination and propagation of seedlings, for propagation of cuttings, and as a hydroponic medium. Hydrofarm searched globally...

  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...

WHITTEMORE Perlite Supercoarse 4 CF

Rice hulls are now available in smaller sizes for gardeners and small growers! This natural, sustainable, and renewable alternative to peat, vermiculite, and perlite makes an impressive growing media when mixed with compost or your favorite potting soil...

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 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...

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...

This Recipe has been tweaked over the years and is finally where we like it. Perfect for Raised beds or Container plants. Almost 60% Clover Seed from 4 types of clover. Designed To Encourage Mycorrhizal Fungi Populations Small seeds work excellent in...

Our Kashi Blend is derived from organic molasses, organic rice bran, organic wheat bran, organic camelina meal, organic insect frass, EM-1, and trace minerals. Post Fermentation: Organic powdered malted barley and charged biochar that's been inoculated...

 Used primarily in soil mixes, hydroponics and gardening. Horticultural perlite is clean, sterile, pH neutral, non-flammable, odorless, non-toxic and neither decays nor shrinks even pests such as insects and fungi can't destroy it.