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

8in Rockwool Block Cover

  • Brand: Hydrofarm
  • Product Code: HGCOV8
  • Availability: In Stock
  • $25.95
  • $21.28
BioRoot is a natural root growth supplement that helps plants establish healthy and vibrant root sys..
$5,392.15 $3,612.74

Root Cleaner concentrate eliminates soil borne pests and pathogens, naturally..
$119.95 $98.36

Root-Juice combines two amazing natural products, premium humic acid and seaweed. It is specially fo..
$60.95 $40.84

Ball Collection Elite Brushed Silver Wide Mouth Jars capture your creativity. Perfect for sharing, t..
$1.89 $1.55

A unique formulation of the highest quality coco fiber/Coir on the planet which is repeatedly washed..
$24.95 $20.46

Integra Boost Humidiccant uses a patented technology that releases or absorbs moisture, maintaining ..
$3.95 $3.24

Small T5 tubes create BIG OUTPUT! Features5,000 initial lumen output 54 watt warm spectrum* ..
$16.95 $12.71

Bio-Bloom is a complete liquid organic fertilizer, which contains the perfect blend of nitrogen, pho..
$83.95 $56.25

Geolite Clay Pebbles Made from 100% natural clay, GEOLITE Clay Pebbles are clean, pH stable and of..
$24.95 $20.46

The Kind LED K3 series L300 LED grow light is comprised of 90 high-powered, 3-watt light-emitti..
$660.00 $495.00