If you add chemicals to the tank for ph balance, nitrate and/or ammonia removal, algae control...I wouldn't use it. Commercially available fish emultions are pre-composted and balanced for gardening. :thumbsup:
Rusty Trichome Reviewed by Rusty Trichome on . Aquarium water? :question: Does anyone know about watering your plants with water from a fish aquarium? I was figuring the fish poop may do the girls some good. Rating: 5