Black Earth Premium Granule Hardness Another unique property of Black Earth Premium that is immediately apparent is the extremely-hard granules right-out of the bag. Because we produce the substrate using a novel process, our granules are shipped dried and extremely hard. As a result, our soil does not suffer premature breakage and does [...]
Black Earth Premium substrate cleanliness One of the unique properties of Black Earth Premium is how clean and free of dust and debris it is. We take extreme care during production to minimize unwanted material from mixing in with the substrate. This results in clean, clear water right from the beginning.