how much is a 20% water change

[Tyler2012]

11gallons


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[JOSCAR05]

thanks everyone for the advice. it has greatly helped me thanks

 

[HungDang]

Why not change 50%??

20% just seems like a waste of time, imo if ur going to get wet and change some water make it worth while! Plus when i do wc it kinda of stresses my p's when in the process.

#1 S. Vettel

if you have time, a smaller, more frequent WC is better!
48''*17''*13''/231=45.9 gallon!

 

[Andrew1002]

Ur 55 is only 17" I think mines 21"!

-Andrew