PURE SUBSTRATES Grow Block 6x6x4"

NEW! Rockwool Grow Block with 42/40 Hole – 6x6x4inch

Commercial grade grow blocks manufactured from high-grade US made raw material.

• Rockwool grow blocks are made especially for cannabis
• Wetting agent ensures nutrients are immediately plant available
• The high fiber density of the rockwool grow block makes better use of water and fertilizers while allowing better dry back
• Our rockwool grow blocks are priced for commercial cannabis production
• Sizes available for any style of growing
• Rockwool grow blocks are made here in Canada
• This product is used by the largest cannabis cultivators in North America

42/40 Hole - 15x15x10cm - 6-Inch x 6-Inch x 4-Inch

Case: 64 blocks

Pallet: 704 Blocks