Grodan Macro Plugs, 35 packs of 50 count

These rockwool plant starting plugs feature a slit for easy insertion of rooted cuttings. Ideal for growers using aeroponic EZ-Clone machines. They fit perfectly into the holes of any standard rockwool blocks, inserted into pebbles, or any other type of growing media. Plugs feature a slit for easy insertion of rooted cuttings Ideal for growers using aeroponic EZ-Clone machines They fit perfectly into the holes of any standard rockwool blocks, inserted into pebbles, or any other type of growing media