Pool store test as follows:-

hardness 220
adj tot alkalinity 96
tot alkalinity 110
pH 7.8
free cl 2
tot cl 2
CYA 45
tds 700
saturation index 0.2

pools tore says need to add balancer a ( A LOT) then add acid to reduce pH .

So I`m ok with Ph but wats all the fuss with alkalinity ?? if pH is ok.

also he says that i need to use alge inhibitor , pool is perfectly clear,
so what do i need to do??

16000gal IG plaster with pentair pump and 60ft DE filter.

advice needed