Chlorine won’t raise

[asardam32]

Anyone have any advice…

FC. .11
CC. .25
PH. 7.2
TA. 107
CH. 515
CA. 45
Phosphates 2074

Water is crystal clear. Upon opening this season I cannot get FC to raise over .23. I am waiting on my TF pro test kit to arrive so have been taking samples over to Leslie’s several times per day/ week. I have shocked and slammed several times using pool math app equations.
Contributors could possible be??:
-Pool cover has been open for about a week waiting on company to fix in two days.
-person who closed the pool in fall did not put any chemicals in pool so when it was opened this season it looked worse than it ever has over 15 years.
Anyway, if anyone has any ideas, I’d appreciate it. My kids are dying to swim

 

[proavia]

Welcome to TFP!

If your CYA level of 45 (round up to 50) is to be believed, add 10 ppm of liquid chlorine today (ASAP) and then add 5 ppm daily until your TF-Pro arrives and you can provide accurate test results.

Use PoolMath, set up for your pool, to compute the dosage.