8in Rockwool Block Cover

8in Rockwool Block Cover
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

Write a review

Please login or register to review
  • Brand: Hydrofarm
  • Product Code: HGCOV8
  • Availability: In Stock
  • $25.95
The 4' Tomato Tower with support rings is a versitile garden accessory. This tomato cage was designe..
$8.95

Used in indoor gardens to reflect the light back onto the plants. This film can be tacked or taped d..
$22.70

Waterproof poly film that is black on one side and white on the other can be used for growing areas...
$12.95

SOIL GROWERS' FAVORITE This 5 gallon equivalent Air-Pot® is excellent for transplanting seedlings a..
$14.60