Salifert calcium kit

xrayman

Member
Are you just looking for the color change from the pink color to purple color(violet) or wait till Blue?
 

devilboy

Member
thats a good question, i have heard people say as soon as it changes from pink they stop, i stop when it changes from purple too blue. i may be doing it wrong. if i remember right the directions say til a clear blue.
 
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