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Grodan Stonewool Delta Gro-Block 6.5 4 inch x 4 inch x 2.5 inch w/ Hole
Available For Purchase
Grodan Delta constitutes the basis for the uniform and perfectly controllable propagation of plants, the condition to be met for powerful and healthy plant growth. Each block has a virtually identical density, flexibility and sturdiness, guaranteeing a uniform distribution of the WC, EC and pH which in turn results in a uniform and high-quality plant.