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Hydrofarm 8" Rockwool Block Cover, pack of 40

Item #: HGCOV8

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Hydrofarm 8" Rockwool Block Cover, pack of 40

Additional Images


  • Blocks light from media - keeps moist longer
  • Reflects light up toward plant where it's needed most
  • Eliminates algae and mildeew growth
  • Dual sided white/black covers


Brand Hydrofarm
Weight (lb.) 0.3
Length (in.) 8.5
Width (in.) 8.5
Height (in.) 0.3
Free Shipping No
Grow Media Rockwool

Shipping Info:

Ships Via FedEx/UPS

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