You can send some of that Ph my way, I am battling LOW Ph, no matter how much kalk I add it will climb them plummet all in a matter of a few hours. Been hovering 7.8-7.9 the last two days. Ran a co2 test and its off the charts, so I am running a fresh air line outside to the skimmer to see if that helps. Darn sealed houses. Gonna have to figure out how to vent the house on a permanent basis.