Cant get my ph 2 go up ive used a co2 scrubber and the highest its gone is 7.9 lowest is 7.6 trying to get it up around 8.0 or better ive left my refugium light 24hrs a day nothing tried connecting a hose to the skimmer and out my window nothing any suggestions do not want to use kalkwasser dosing cal alk mag trace and amino acids already