• Hydrofarm Rockwool Block Covers
  • Hydrofarm Rockwool Block Covers
  • Hydrofarm Rockwool Block Covers
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Hydrofarm

Hydrofarm Rockwool Block Covers

Hydrofarm Rockwool Block Covers

$169.95
$169.95
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Hydrofarm Rockwool 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.
  • 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