ph swing

[heliguy71]

hi is it normal for mp ph to go from 8.2 to 8.0 from day to night and how do i keep ph up all the time what do i need to add to keep ph up.i use seachem reef buffer but it doesn'y seem to help that long.any suggestions.

thanks

 

[JR's Reef]

Yes its normal it should come backup on its own when the lights come back on an should be at its highest right before the lights go off and be at its lowest right before the lights come on.