Anyone into Aquaponics? That is raising fish & plant together via a large fish tank (pond) that pumps water into garden beds then returns the water back to the tank. The fish create ammonia etc to feed the plants & the plants aid to clean & oxygenate the water for the fish, so its a win win cycle with beneifts of a great seafood & vegetable feast come harvest time. I am setting up a 3500l tank for trout, a 1000l sump for yabbies & multiple 100l garden beds for my fruit & veg. Anyway just interested in finding out how many people are involved. Tell us a bit about your set-up & what you have growing.