"Algae is one of the major problems I have with my system. I use an in-ground Choi pond that is open to the sun and sunlight. In the summer I can't see more than a few inches below the surface because of the algae. Algae coats…"
"I might be interested in buying some too, if you get the shipping part figured out. :) I will let you know in a couple months when I get the system built out. Maybe this would help:
"Great looking build Rob! Have you used any of the photosynthesis plus in a traditional aquaponic system? Any problems with the fish?
That's a really cool trial you're doing with that fish-less system. Had you had a chance to do water or…"
"I use expanded shale (hadite) in my beds. There is a place about 20 minutes from where I live that makes the stuff (no middle man). My grow beds are 16 cubic feet (4'X4'X1') and it cost me about $35 to fill one, using my truck to haul…"
"Expanded clay media is easier to work with. But it doesn't hold the root ball on large plants very well. What I'm after has anybody found any benefits, in plant cropping. plant health etc from using gravel based media."
"You don't need to get too 'crazy', but you do want to be able to vent the heat if need be. You can direct that heat either back into your grow room when needed (cold days/nights)...or you can vent that heat into your living space…"