Can't keep FC levels up

[Niniares1]

Hi everyone- I decided to buy a pool for the kiddies and I'm extremely confuse. Please help I have a Summer escape AG Vinyl 15x48 3500 gallon. I can't bring up my FC is zero these are my readings Th 200 ph.7.5 at 120 Cya 30. Can someone please help. Thanks

 

[woodyp]

Does your pool have a salt water generator? What does "at 120" mean in your post? Is it alkalinity?

 

[Niniares1]

No it doesn't- yes

 

[jblizzle]

What are you using to add chlorine every day?
You should be using liquid chlorine ... like around 1.5-2 cups every day to add around 2.5-3ppm of FC each day.