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WATCH: CANNA Nutrient Review with Chris from CANNA!
WATCH: CANNA Nutrient Review with Chris from CANNA!

Rockwool Block Cover

Save up to $10.34 Save $4.62
Original price $13.62
Original price $13.62 - Original price $25.34
Original price $13.62
Current price $9.00
$9.00 - $15.00
Current price $9.00

** Online Only Price **

PLASTIC BLOCK COVERS
Reflect light to plant leaves, where it’s needed most. Block light from media. Eliminate algae and mildew growth. 40 dual sided block covers per pack. Works great with GRODAN Blocks.
  • Block light from media
  • Reflect light to plant leaves where it's needed most
  • Eliminate algae and mildew growth
  • 40 dual-sided block covers per pack