Water changes for 90 gallon Oscar

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little less than the one eye up water change.
 
hopefully the OP got enough info so his fish not end up looking like this.

To be fair I kind of got lost among it all about 10 posts back, where it started talking about giant humans and stuff or whatever; basically if I'd have to do 90% water changes on a 90 gallon weekly, i'll probably just give it a bye.

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basically if I'd have to do 90% water changes on a 90 gallon weekly, i'll probably just give it a bye.

Probably for the best then, water quality management for an adult oscar in a 90 gallon tank is definitely going to require large weekly water changes. I think that we can all agree on that. If a larger tank isn't in the works down the road you would probably be better off with a species that won't reach such a large size, and lucky for you there's plenty of other great species of fish to choose from. Good luck!
 
Probably for the best then, water quality management for an adult oscar in a 90 gallon tank is definitely going to require large weekly water changes. I think that we can all agree on that. If a larger tank isn't in the works down the road you would probably be better off with a species that won't reach such a large size, and lucky for you there's plenty of other great species of fish to choose from. Good luck!

If I can sort out the python water changer I'd do it, buckets would kill me haha

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:ROFL:
 
If I can sort out the python water changer I'd do it, buckets would kill me haha

Better still, some sort of continuous drip or semi-automated system would be ideal. A friends father is an electrical engineer so they rigged up a system for his 1700L tank that does a 200L water change with the push of a button...
 
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