New Frag tank water change

Platehead

Non-member
When is it a good time to do a water change in a frag tank?
The current inhabitants are some sps tests frags, and a chromis.
Thanks,
Platehead
 
I would assume if you are stand alone, you would do water change same as schedule you have for display...somewhere 1-3wks.
 
if you have a light bioload, and no nitrates/phosphates, and the rest of your params are fine, you dont really need to do them often IMO. Maybe here and there to replace trace minerals
 
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