Turns out, there is! You can use fish tank water for your plants. Here’s how, and why, dirty aquarium water works to benefit your garden. Did you know you can use "banana water" for your plants ...
It is suitable for aquariums with a capacity of 20 to 55 gallons. A simple pail that you can use to collect dirty water from your tank. It's large enough to do a 20% water change of a tank up to ...