UnderWaterVanya said:TC can't be lower than FC ever..
frogabog said:You will lose 40-50% of your chlorine to the sun and bathers any given day.
I lose ~20% on no bather cloudy days. No bather sunny days, it's still around 3ppm which would be ~40%.
RobbieH said:Do you know what your CH (Calcium Hardness) numbers are?
frogabog said:BTW... I've never seen a liner bleached like yours. That's insane! It's completely white, but I can see the top where it WAS fake tiled.
I'd keep an eye on that liner, and water loss just in case they bleached the sucker with powder and it sat undissolved for a while. Check around the edges of the pool for moisture when no one is splashing, if you see it there's a pin hole leak somewhere near.