low ph

Since I moved to Lake Havasu City, Az the PH in my 300 gallon system has been running lower than I am used to. For a big portion of the year it is too hot to open the house up. I do run a calcium reactor but leaving it off for 24 hours did not make a difference in the PH neither did turning off...

Hi, I'm in need of some wisdom and critical thinking. So here's the situation that I would like to present to the good of the order: I have a Biocube 29 gallon mix reef tank that I'm having a heck of a time with trying to raise its PH. The current range of my PH vacillates between 7.6 and 7.8...