Palmetto Marine Aquarium Club
I've just started checking my calc and alk in the last few weeks. Good thing too...calc was 500 and alk was 4.:doh:
I used the ESV alk additive to bring it up to 7 over the last 1.5 weeks. I stopped dosing for a few days and just tested to see how much it drops at a time. In 3 days it...