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It’s the same as why an Olympic athlete needs a higher-quality diet combined with professional vitaminization
Standard 13mm inlet
The plant roots will then grow through to the slab over time
Do NOT use before or during PGR treatment
Adds natural PH stable silica (salicylic acid) for stronger cells and mold resistance
Grodan Long Slab 900 x 300 x 75 80 x 45 x 80 It’s the same as whyGrodan Rockwool is a mineral wool made from molten basalt and limestone rock that is spun into cotton candy like fibres and then compressed into cubes, blocks or slabs. Being made from natural rock, Grodan is a mineral based product used in hydroponic growing applications. The WCB or Wrapped Crop Box Slab by GRODAN is designed to suit a 45litre crop box crate. They are called wrapped as they are supplied as individually plastic wrapped slabs and the