G2G Rockwool 1.5" Propagation Plug
perfect for germinating seeds
The G2G Rockwool 1.5" Propagation Plugs are for starting seeds and root cuttings prior to transplanting into the G2G Rockwool 6" Cube. The propagation plugs fit perfectly into the 1.5" diameter hole included in the 6" cube. Each plug has a uniform density, firmness, and fibrous structure resulting in a uniform distribution of water, nutrients and pH levels.