How often do you perform water changes on hypo q tank?

Maximus

New member
I just set up a 10g q tank for my midas blenny due to ick. It has a internal filter and a heater. My salinity is now down to 1.016 and I will lower this gradually over the next 2-3 days to a final sg of 1.009. My question is how often do you perform water changes on a 10g q tank undergoing a hyposalinity treatment? Thanks.
 
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