Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped Clay A Natural Fungicide for Indoor

A Natural Fungicide for Indoor Plants

promoting healthy growth and development

Our 16 quart capacity black plastic buckets give your larger plants an excellent home

A cigar lounge running a wall of cabinets swaps packs on a rolling schedule and needs each one sealed until it goes in

Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped Clay A Natural Fungicide for IndoorGrodan Gro Block Improved 4x4 for Precision Growing These stone wool blocks feature advanced wetting technology for even water content and EC throughout the entire substrate, enabling faster rooting in and consistent plant development. The optimized fiber structure supports stronger roots that fully explore the block, improving water and nutrient uptake while reducing overall inputs. Backed by collaboration with Wageningen University & Research and