I have been fighting this combined chlorine all summer. I have only dropped down to a 7ppm two times this year by accident because I tried to have a life besides taking care of my pool. I have been slamming between a 16ppm and currently 19ppm. I check my pool 3 to 4 times a day 7 days a week and add liquid shock each time. I can not raise the cya. Every time I check it is around 28 cya. This is what I have added this year in Stabilizer:
7/05/16 - cya 35
7/12/16 - added (2) 3" tablets
7/19/16 - added (3) 3" tablets Tested and was clear 20?
7/21/16 - added 34 oz cya granuals to skimmer in sock and massaged same day until disolved
7/27/16 - pool store said reading 35 ( I was getting another opinion)
7/28/16 - added (2) 3" tablets
8/05/16 - added (2) 3" tablets Test was clear, 20?
8/09/16 - added (4) 3" tablets
8/22/16 - added (3) 3" tablets Test was slightly cloudy, 28?
8/28/16 - added (3) 3" tablets
9/12/16 - added 12 oz cya granuals Tested before addition and only slightly cloudy and looked like 30cya
I need to go out of town for 2 days and thought this would help with keeping chlorine in water during day and I've been shocking at 19ppm anyway.
I have had the pump running 24/7, remove leaves when I see them, pool looks clear, see no algae,haven't smelled chloramines until recently. My combined chlorine went from 1.5 to 4 since June. Mostly used tablets because of vacation and someone else taking care of pool and having them on hand. My house sitter, since she has limited knowledge of pools, added 64 oz of 10% liquid shock in am, 64 oz liquid shock at 3:00 and 128 oz at night. We only left for 2 - 5 days at a time during summer on two occasions. We probably used the pool 20 times this summer. I have spent $70 a week on shock.
My husband treats our lawn with a fertilizer in the late spring. It is a liquid fertilizer and sprays on behind the mower. Maybe that is in the pool. When he mows, pieces of grass get in the pool. I did let the pool chlorine level drop recently just to check ph. I did that .5
FC = 10
PH = 7.3
TA = 60
CYA = 28
CC = 4
The only suspicious thing in pool are my pool wrinkles. When I try to brush or even use a sock on my foot to clean them, they appear like dark lines still. Nothing budges. I'm nearing pool closing and feel like I have no options but to shock, let drop, add 60% polyquat, shock again, drain a couple feet and cover and deal with this next year.
Any thoughts? I've been using the Taylor K2006 kit. I feel terribly defeated.
Thanks in advance