Cultiwool 6" x 6" x 6" Blocks of Cultilene Rockwool with Optidrain and Donut Rings - Case of 48

Description Cultiwool 6" x 6" x 6" Block w/ Optidrain & Donut Ring (48 Blocks/Case) by Cultilene: Cultiwool's growing blocks offer unique efficiency tied to product consistency. Key features include quick and easy uptake of water and the even distribution of water throughout the substrate, which make this growing medium outstanding. Superior Stone Wool Quality: Not only can consumers expect the top-quality stone wool on the market, but Cultiwool also takes things a step further by introducing the 'donut ring' to the retail market, which aids in the improvement of water distribution. This innovation adds to the highly appreciated cross grooves designed to enhance water flow beneath the block. The black/white foil covering also serves to prevent the growth of unwanted algae. Improved Drain Grooves: The Cultiwool substrate blocks include drain grooves at the bottom, engineered to enhance water flow beneath the block. This feature is particularly valuable for those employing the