Grodan Crop Box Slab - 370 x 550 x 150mm

Grodan Crop Box Rockwool Slab - 370 x 550 x 150mm

• 1X Grodan Rockwool Crop Box Slap Wrapped - 37 X 55 X 15cm

Thanks to their revolutionary hydrophilic fibres, Grodan substrate slabs and blocks produced using this technology offer users considerable advantages over other propagation substrates. Tried and proven to be the best propagation substrate available.