For blocks of rockwool and other grow media. These Block Covers blocks light from media – which helps reduce algae.

  • Technical Data
  • Packaging  Info

 Dimensions Ø11.5, Ø15, Ø22 cm
 Color grey

 Pieces per box -
 Boxes per pallet 16
 Pieces per pallet -
 Box size 40x40x60 cm (HxWxL)
 Pallet size 80x120x180 cm (HxWxL)

Algae will grow anywhere it finds these three things: water, nutrients, and light. Since the whole hydroponic system is filled with constantly re-circulating nutrient solution, the only one of these three ingredients you are able to remove from the equation is light.


algae block   algae prevention   algae remover   rockwool covers   rockwool aglae