Cultiwool 4" x 4" x 2.5" Blocks of Cultilene Rockwool - Case of 216

Description Cultiwool 4" x 4" x 2.5" Block (216 Blocks/Case) - Cultilene: Cultiwool's growing blocks are known for their remarkable efficiency. Their superiority is linked to the consistent nature of our products. The swift and uncomplicated absorption of water and the even distribution of water throughout the substrate are prominent features of a competent growing medium. High Quality Stone Wool: Alongside offering the finest quality stone wool available in the market, Cultiwool also pioneers the introduction of the 'donut ring' to the retail market enhancing water distribution. This additional feature is coupled with the highly valued cross-grooves which augment water flow beneath the block. Moreover, it includes a black/white foil to counteract algae growth. Cultiwool Substrate Blocks: Our blocks are designed with drainage grooves at the bottom to optimize the flow of water beneath the block. This feature is particularly beneficial when the substrate blocks are positioned on