koi are on top of water after water change

alexvirgie

Registered Member
Aug 25, 2004
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I was topping off my koi pond and I over filled it. The pumps stopped and i think the oxigen level dropped. most of my koi are at the surface.I got the pumps working I check ph level is 8.2+ not nitrate or amonia found. What can I do?
 
What type of water are you using? Is it chlorinated tap water? Did you add enough dechlorinator?
 
Airstones

Low oxygen requires airstones.

Too much water may mean not enough dechlorinator. Add enough to treat the whole pond.
 
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