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48" or 96" long beam(s)
optimum heat management
balanced formula provides plants with the necessary inputs for stalk
increased yields
increase chlorophyll content
Grodan PRO Delta Gro-Blocks Extraction Presses & Moulds 48" or 96" long beam(s)Grodan PRO Delta Gro Blocks Grodan PRO Delta Gro Blocks come unwrapped and ready to go! Grodan Delta is the basis for an easy to steer the propagation process, which results in uniform, good quality plants. Each block guarantees uniform water and nutrient distribution. Grodan Delta scores high in saturation and firmness, which means it always performs well in highly mechanized propagation processes. What is Rockwool? Grodan Stonewool (rockwool) is
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