watering with fish tank water

philmarlowe

philmarlowe

Member
so i was pH'ing down a batch of water today before i did a water change on my fish tank and i got to thinking, the pH of the dirty fish water is around the same as my treated tap water plus it has all kinds of algae and fish shit in it. Would this be beneficial or harmful to my plants? I feel like the nitrogen would be good but there's also probably a bunch of ammonia in there too huh. Anyone have advice or experience watering ganja or other house plants for that matter with spent fish water?
 
ginjawarrior

ginjawarrior

Well-Known Member
aslong as you have a healthy fishtank then you wouldn't have a problem with ammonia as it gets coverted to nitrites almost immediately by the resident bacteria. all the fish shit and bacteria are great for your plants whether or not they're mj ;)
 
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