Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64 Water Heaters Chillers the fine cell structure and
Baker’s notes & crumb story
Description
Grodan Improved Gro Block, Jumbo 6" x 6" x 4", Case of 64 Water Heaters Chillers the fine cell structure and the fine cell structure and drainage properties provide uniform moisture and hydroponic nutrients throughout the media – whether you use overhead irrigation or sub irrigation No Need for Cal Mag Supplements: Rich in calcium and magnesium in the optimal 4:1 ratio