I've kept it at 8.6 for a couple of weeks and kept Mag at 1600. If you use kalk to keep the pH up, you have to keep your salinity and Mg high or your calcium will precipitate.
Did nothing...
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Failure isn't an option It's a requirement. 660g 380inwall+280smp/surge S/L/Soft/Maxima/RBTA/Clown/Chromis/Anthias/Tang/Mandarin/Jawfish/Goby/Wrasse/D'back. DIY 12' Skimmer ActuatedSurge ConcreteScape
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