Pumice - 2.5L - Fine microbe Frequency: 120VAC

Frequency: 120VAC

Grodan's sustainable rock wool starter cubes saturate easily

If ingested

Membrane type : Thin film composite

It’s perfect for cloning a variety of plants in small areas

Pumice - 2.5L - Fine microbe Frequency: 120VACPackaging That Cares for the Planet! Now offered in eco friendly, recyclable packaging* that is made from 100% renewable energy. Pumice is a highly porous and durable naturally calcined volcanic glass foam that can provide optimum aeration, aid in water retention, and offer long lasting structure to your growing medium. Nothing but the best for your precious plants. Our pumice is free of heavy metals, pesticides, nanoparticles, and allergens, and is