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

Description Cultiwool 6" x 6" x 6" Block w/ Optidrain: These 48 Blocks per Case are brought to you by Cultilene. Recognized for their quality and efficiency, the Cultiwool growing blocks stand out due to the consistency of the products. They offer quick and easy uptake of water and consistent distribution of water throughout the substrate, a crucial feature of any effective growing medium. High Quality Stone Wool: Customers can expect top-notch quality stone wool in the market from Cultiwool. Cultiwool proudly introduced the 'donut ring' for the retail market to leverage improved water distribution, complementing existing features such as cross grooves for enhanced water flow under the block, and black/white foil to prevent algae growth. Enhanced Drain Grooves: The Cultiwool substrate blocks are designed with drain grooves at the bottom, enhancing water flow beneath the block. This becomes especially beneficial when the substrate blocks are placed on cultivation tables and concr