Hello. I have a 17000 gallon chlorine pool just south of Houston, TX. Now that we are using the pool most days I am adding about 3 chlorine pucks to my inline chlorinator every week. Does this seem normal ? It keeps the chlorine level between 2-3 ppm and I use no other chemicals and all other areas are within range. but now the CYA is rising and my pool supply company says I need to use a liquid chlorine that does not have acid. Any suggestions ?