• Block Covers 6 in
National Garden Wholesale

Block Covers 6 in

For blocks of rockwool and other grow media. Grower's Edge® Block Covers block light from media_x0097_which helps reduce algae. Use white side up to reflect light. Use toothpick to hold cover in place. Hole in center of cover measures 1/2 inch in diameter.
  • $15.09
  • $0.00
  • - $-15.09