The Rockwool Tray Plug is a replacement piece designed for use with the Rockwool Tray Kit slab system. The Rockwool Tray Plugs are fixed onto one end of the tray to prevent draining water from the system; which is incredibly important for improved feeding. Slab systems are great for larger plants to help prevent tipping.
The Rockwool Tray Plug Replacement Piece
The premiere Rockwool Tray plug replacement piece is a necessary backup part for all growers who use the Rockwool Tray Kit! This epic piece of engineering allows you to keep water from escaping your slab system!
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