Liquid Chlorine

faroutline

New member
Aug 27, 2021
1
60104
I have a 16,000 Gallon in-ground pool with a sand filter and it is about a month that I can not get rid of the thick green algae. In last month I have added 18 pounds of shocks and five pounds of green to claire in the pool, I have not been able to increase the amount of free chlorine in the water. I have near Zero Phosphate in the water, with CYA of 17 and PH of 8.3. I have been vacuuming the pool every three days and backwash and rinse afterward, without any result.
What Should I do to win this challenge?
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
29,060
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
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Texas Splash

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2014
33,611
Texas, San Antonio/Marion, South-Central Area
Pool Size
17888
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-45 Plus
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