How often should water changes be done on a new tank?

[jek0114]

I have a new tank, only running 2 moths. How often should I be doing water changes? And how much water at a time is recommended?

 

[keith burn]

Originally Posted by jek0114
I have a new tank, only running 2 moths. How often should I be doing water changes? And how much water at a time is recommended?
4in from top will work in all tanke sizes.
water change one time about 3 to 4 weeks or when tests are off

 

[patandlace]

10-20% every 1-2 weeks