New Tank... Old Filter... Water Change..

[MrPandaram]

hello again,

i have upgraded my tank 180l to 300l. 20 odd fishes.

running on used Rena xp2 and using some of the old rocks plants.

i have move water from each tank to other for four days. 20 to 30 liters at the time. on the final day (Sunday) i didn't move any water.. just the fishes.they look ok.




when do i have to do the water change? and how much?

thanks in advance.

 

[WILDER]

Just check you water stats.
If ammonia and nitrite are not 0, preform water changes and increase aeration.