Allows a rockwool user to seamlessly stack a 4 in cube on top of a 6 in cube or a 6 in cube on top of a 8 in cube—blocking light and eliminating algae, all while allowing in the necessary air a plant needs to thrive.
Grodan PRO Delta 6.5 – 4 in Small Unwrapped (36/Cs)
Grodan A-OK 50/40 2 in x 2 in Plugs (50/Sheet) (30 Sheets/Cs)
Grodan Delta 4 Block 3 in x 3 in x 2.5 in w/ Hole (48/Cs)
Grodan PRO A-OK Starter Plugs 1.5 in Unwrapped (30/Cs)
Username or email address *
Lost your password?