*UPDATE 9/20 – Hydroton is, thankfully, still on the market! You can read on for some alternatives to Hydroton, or you can still purchase Hydroton as your preferred growing medium. The announcement, “dried-up” went through the gardening industry like a sandstorm. Hydroton, the ultimate grow media for hydroponics, will soon be extinct. The mined clay aggregate was kilned exclusively in Germany. The plants involved in the process are ceasing production. Why the outcry? What’s the big … [Read more...] about Et Tu, Hydroton?