I have recently started dosing my system a 45 gallon all in one reef tank with Kalkwasser and Vinegar ( 6ml Vinegar + 1 teaspoon of BRS Kalkwasser added to a gallon of water ) Before i started my PH was at 8.07 and during the night it would got to 7.9 however, the PH is at 7.89 and my tank is...