Grodan Stonewool MacroPlugs - 50 Round Plugs per Bag with Slit (35 Bags per Case) - Ideal for Hydroponic Seed Starting and Plant Propagation

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 mediums.