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HydroExplorer · June 17, 2015

You can reuse hydroton pellets as a grow media (boil them to kill harmful stuff and clean salts off them) and you can start seeds in hydroton if you're careful. They aren't a good fit for some systems but they are reuseable. I really like hydroton for DWC.

The most green way to grow with hydro is to do kratky method lettuce using fish wastewater (from an aquarium for example). I have done that before and it was surprisingly easy and required zero electricity. I was growing cauliflower which was ultimately eaten by the bunnies but it did work.

I think aeroponics would be considered green too even though it uses chemical nutrients because it uses 98% less water than growing in soil.

June 17, 2015	#3
HydroExplorer Tomatovillian™ Join Date: Apr 2014 Location: Pennsylvania Posts: 132	You can reuse hydroton pellets as a grow media (boil them to kill harmful stuff and clean salts off them) and you can start seeds in hydroton if you're careful. They aren't a good fit for some systems but they are reuseable. I really like hydroton for DWC. The most green way to grow with hydro is to do kratky method lettuce using fish wastewater (from an aquarium for example). I have done that before and it was surprisingly easy and required zero electricity. I was growing cauliflower which was ultimately eaten by the bunnies but it did work. I think aeroponics would be considered green too even though it uses chemical nutrients because it uses 98% less water than growing in soil.