Sps tank

[reef fish]

Quick question I have an SPS tank that is 150 gallons and 30 gallon sump
I change 25 gallons every week is this something I should do or can I do less and maybe every 2 week can some Tell me ???

 

[jaguars4263]

I have a 75 gallon and i change 20 gallons a week. You may want to change more if you are having problems with algae or anything else. Hope i anwsered your question.

 

[reef fish]

am not having any problems is just a pain to do this every week would 50 gal every 2 week be good or stay at 25 per week

 

[Budman's Corals]

Quick question I have an SPS tank that is 150 gallons and 30 gallon sump
I change 25 gallons every week is this something I should do or can I do less and maybe every 2 week can some Tell me ???

try 10% every 2 weeks or 20% every month.. I would say you have about 150 g total water since rock takes up some unless u already figured that

30 g a month should be more then enough..