Aquarium water for Autoflowers

I love the idea of aquaponics certainly is possible and very productive use of space. Im thinking you would need a warm water species of fish to maintain temps for cannabis. A rainbow trout ideally will grow around 12-16 . And they need current and O2 but it can be done. A warmer water species might work better something like a talipia or carp. The next thing you gotta figure what happens when you need nutes for the plants. Hmm well youd almost have to have them seperated so you can juice the water to give to plants. Unless you figure your perfect balnce Whats been said below is correct if you can measure your water quality before you feed the plants so its ideal for plants. Fish grey water will have ammonia and other bits of nutrients from uneaten food break down. You might need to add a medium to culture nitrogen eating bacteria to alter the nh4 to nitrate. The roots should act to pull enough nh4 to clean the water but if you gotta add something to your plants can it go with fish so it almostmakes sense to run it seperate. Maybe a recirc system that capturex some grey water run to plants then just discharge. Off the plamts. If you do some research im sure you could find ideal living partners. Were its just float trays fish plants and lights. Greenhouse dreams good luck on your proiect. If you can test your basic properties do it i bet it would add some nitrogen at the very least depending on what else is dissopved in your tank if your fish aint dead might be fu to try.

I'm with Creepy_Steve 100% here...

it would probably be fine, but why? it's like using ain water... if it is tainted, which we cannot tell with our eyes or tactile sense, it could cause problems. e.g. rain water is often acidic and full of pollutants if you live near or in civilization. God knows hat's growing in you aquarium... "natural" is a trap... what people perceive as natural only loosely correlates to health of the plant. just because some people do it with no poblems doesn't mean it is a good idea. what benefit is it adding beside satisfying some personal belief? if you can see a benefit, than go for it, but water is ater is a rose is a rose... it's not 'better' fo the plant, in fact it comes with risks. People often think leaving water out for 48 hours is a good thing... the stagnation is easily worse than any loss of chlorine, which comes in such small concentration that it would never impact a plant you harvest in 4-6 months. so, i would suggest keeping it simple.. nutrients are building blocks.. not "natural water" filled with god knows what.