Grodan Crop Box Slabs (370x550x150 mm) 4/pk pots and increases sugar levels

and increases sugar levels

Stainless steel probe length: 230 mm

The popular favourite amongst experienced water extractors

Made with food-grade ingredients

Spray generously to the underside and top of the leaves

Grodan Crop Box Slabs (370x550x150 mm) 4/pk pots and increases sugar levelsGrodan 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