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 2 in Starter Mini-Blocks MM50/40 2 in x 2 in x 2 in (2 Strips of 12 or 24 ct) (60/Cs)
Grodan MacroPlug Round w/ Slit (50/Bag) (35 Bags/Cs)
Grodan 1.5 in Starter Mini-Blocks MM40/40 1.5 in x 1.5 in x 1.5 in (3 Strips of 15 or 45 ct) (50/Cs)
Grodan Delta 6.5 – 4 in Block 4 in x 4 in x 2.5 in w/ Hole (36/Cs)
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