htg supply, llc

Great Lakes Water Only is an all-natural start-to-finish soil. This living soil is water-only. From seed or clone until harvest, our patented blend of worm castings, steer manure, and chicken...

Detroit Nutrient Company worm castings set the standard for quality in vermicompost. Our worms are fed a fixed diet, and left to create a high-quality casting that is excellent for use in soil...