My PH seems to raise each week to where if I start Sunday at 7.2 which the CSI states "Potential to become corrosive to plaster" to 8.2 by Fri /Sat then the CSI is a "potential to be scaling" - My TA has been stable somewhere between 60 -70 as when I test @ the 6th drop it just turns red (very light) / fades to clear, to the 7th drop it is RED All other readings seems to be stable like CYA @ 30 & CH at 250 . Does the increase over the week seem OK , normal with a pool and hot tub that flows into it ?
thanks
thanks