hello, found out my pool was reading ph of lower than 6.5. went to store got it tested and now im in the 7.5 range after 90dollars in supplies. One problem my clorine is in 3.5 to 5 range and i believe my alkilinity is at 210. how do i drop my alkilinity to the 8o-120 range with out dropping my ph under 7.0 again. and dropping a load of cash in procesws. friend told me of web site and the 3 b's of taking care of your pool. help me please. i have never in 7yrs of having my pool, had to use anything more than clorine tabs and shock till this year.
please give me some help. my pool is 10,000gal. above ground.