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1:333 ratio)
Grozone USCO2 0–1600 PPM Ultra Simple CO₂ Controller
3-in-1 probe with pH
Lumens: 37 000
Stimulates new root formation for healthier plants
GRODAN GRO-BLOCK IMPROVED GR4 3X3X2.6″ UNWRAPPED Size:Pack of 16 1:333 ratio)Grodan partnered with the Wageningen University and Research Facility and top growers from all over North America to determine the optimal stone wool substrate and irrigation strategies for indoor and greenhouse specialty crops. The result of this scientific rigour is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the optimal fibre structure and physical properties for crop uniformity, more even Water
