6 inch Redrock Rockwool PRO Grow Block for Hydroponics | 4 Pack + Twin Canaries Chart Replacement Heads The bottoms are solid and

The bottoms are solid and the paper twist handles are substantial

the hole shaped in the middle as it allows foot to set comfortably without undue pressure on the middle of the heel

environmentally/Eco-friendly Wood Wool Charcoal Starters that are Free from Harmful Chemicals

non-GMO vegan protein powder is designed to provide benefits you deserve

Brand: Optifast

6 inch Redrock Rockwool PRO Grow Block for Hydroponics | 4 Pack + Twin Canaries Chart Replacement Heads The bottoms are solid andBrand: Twin Canaries Liquid Volume Conversion Chart Features: Rockwool grow blocks are made in the USA RedRock rockwool grow blocks are priced for commercial agriculture production Wetting agent ensures nutrients are immediately plant available and high fiber density makes better use of water and fertilizers while allowing dry back Each block measures 6 Inch x 6 Inch x 5. 3 Inch with 42 40 Hole Each order comes with a Twin Canaries Chart Details: It