What is stone wool made of, and how does it differ from Gelponics?
Gelponics products are a more environmentally friendly replacement for stone wool, which tends to have a high carbon footprint and is non-biodegradable. But what is stone wool made of, and how does Gelponics differ? What is stone wool made of? Stone wool is a lightweight hydroponic substrate made from molten basaltic rock spun into fine […]
What is stone wool made of, and how does it differ from Gelponics? Read More »