Fresh results
4-Aug 17-Aug
PH 7.5 7.6
FC 12 13
CC 0 0
TC 12 13
TA 110 100
CH 590 500
CYA 160 135 Average of two tests of 130 and 140/somewhat qualitative as you know
Pool was installed sometime in 2005 by previous owners. Had Pool Frog and Trichlor shock, Ozonator
Stopped using Pool Frog a month after moving in during late 2008. Ozonator stayed attached, not even sure it worked.
Used Trichlor pucks and PhosFree and Muriatic Acid. Month ago started BBB. Partial drains and dilution, live in the desert so I wait for rain and then drain some just prior to storm. CYA and CH going down slowly, TA coming down due to Muriatic acid.
Never have had algae, probably because even in my ignorance and pool store telling me my chlorine was high, I erred on the high side. FC was 11.5 when I took out the Trichlor pucks, have maintined it at 12-13 since. I think it could be a little higher for safety.
Anyway, do any of these numbers give you pause about possibly causing a few pebbles to come loose?
There appear to be some small copper stains on bottom (someone said casued by Pool Frog) but my CH is high so I am pretty sure plaster is well protected from leaching.