Post cycle water change...

[bonebrake]

How big of a water change should I do at the end of the cycle? It is a 24 gallon nano cube. I have heard between 25% and 100% and was just curious what you guys would recommend.
:notsure:

 

[fishieness]

20 %
there is no way you should do 100%...... that would jsut start your cycle over again.

 

[drew2005]

20% is good. Never do a 100% change. I have a 46 gallon and i change 5 gallons a week.

 

[mikeyjer]

I agree with 20%, most you should do if the tank is in a bad shape is 25%, I wouldn't go any more then that amount, IMO. But if you have really high nitrates and your trying to lower it down, best to do 20-25% every couple of days to lower it. :happyfish

 

[bonebrake]

Sounds good guys! Thanks for the advice!