The Rockwool Tray Elbows are replacement pieces designed for use with the Rockwool Tray Kit slab system. The Rockwool Tray Elbows are fixed onto one end of the tray to help draining excess water from the system. Slab systems are great for larger plants to help prevent tipping.
The Rockwool Tray Elbow Replacement Piece
The premiere Rockwool Tray Elbow replacement piece is a necessary backup part for all growers who use the Rockwool Tray Kit! This epic piece of engineering makes it easier to drain water from your slab system!
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