OK!My pool was basically a swamp this spring.I knew it was going to be a bear to get straighten out,but this is turning out to be a GRIZZLY!The pool is and has been milky(6 inches visibility) , has suds on surface and has not held chlorine in weeks.
As a last ditch effort I ......went to the pool store The guy said it was probably nitrates,that nitrates would cause a pool not to hold chlorine.He tested and it had 5 on nitrates.They said I needed to SHOCK the **** out of it and sold me $60 worth of cal-hypo.
Now,Im reading that you cannot shock out nitrates.That the only way to get rid of nitrates is to drain,ion resins,ozone or uv..ALSO,Im reading that 5 is not all that high of a number for nitrates.So,are nitrates my problem?If so,can they be "shocked out." Another ? I have is after all this shocking,why am I still showing Combined Chlorine?
Day before yesterday I added 12lbs of 73% cal-hypo and 4 182oz jugs of 6% bleach.Yesterday I added 4 182oz jugs of 6% bleach.
The #'s as of this morning
bout 25000gal vinyl
In the past month I've added 25lbs of dichlor,at least 50gal bleach and 12lbs %73 cal-hypo