Fish water

[kimera]

I've got two greenhouses, each 10' x 30'. One has a translucent polycorbanate roof (about 60% sun filter) and in that greenhouse I grow orchids, tilapia (fish), and red claw crayfish. The other greenhouse has a clear polycorbonate roof (about 5% sun filter) and in that I grow tomatoes in two hydroponic units and a few kitchen herbs.

Anyway, to maintain the tilapia and crayfish I drain a little water from their tanks each day and replace it with fresh water. The fish water is about 80 degrees in temperature, and I use it to water all my plants.

You cannot believe the results you get from this fish water. The orchids are deep green and thriving, and the tomatoes seem to love it. I use the fish water to start tomato seedlings and I put it in the hydroponic unit. It is amazing.

Anybody who is inclined to try this should simply get an aquarium from Wal Mart (somewhere in the 30 to 60 gallon range), get a school of fish established in the aquarium, and use the water for your plants. In my little project, I get the added benefit of being able to eat the fish and crayfish. So, what with the tomatoes, it ends up being kind of a surf and turf operation.