Grodan Delta 6.5 Blocks 4"x4"x2.5" w/ Hole (36/cs)

The Grodan Delta 6.5 Blocks are the perfect addition to your specialty crop growing toolkit. With its Advanced Wetting Agent and partnership with Wageningen University, these improved 4"x4"x2.5" blocks result in more uniform water and nutrient distribution, leading to optimal substrate and irrigation strategies. Each case contains 36 blocks, ensuring crop uniformity and optimal WC and EC levels.