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Just discovered pink slime along the skimmer and pool ladder. I am in the process of SLAMMING the pool (water is crystal clear to the eye). Have removed the ladder and sprayed with chlorine solution and brushing pool walls, etc. Wondering if I need to do anything to the solar cover to...

My starting level of CYA level was 0. Do I have to wait a certain period of time before testing the CYA level after the addition of stabilizer? I am using the sock method for addition of cyanuric acid. I have a 17,000 gallon above ground pool (5ft deep) and after adding almost 4 lbs of...

Just found red algae (bacteria) in my pool - have started the SLAM process - shocked to FC level of 20 (CYA=40) and am continuing to add chlorine until the 3 criteria are met. Pool ladder was covered with red slime so removed from pool and sprayed with chlorine solution - also floaties. Solar...

I have a Taylor K-2005 test kit so am not familiar with the FAS-DPD titrating reagent - can someone explain to me what this test actually does and can I buy the reagent R-0871 and use it with my current Taylor kit?

Split from here: no-free-chlorine-t44900.html Butterfly I am having a very similar problem with no free chlorine at spring start-up. I have a 16,000 gallon above ground pool - initially the pool store tested my water: TC 7.5, FC 0, Total Alk 184, Total Hardness 236, CYA 30. I have added an...

I have an above ground pool - approx 17,000 gallons and am having never ending problems with metal staining on the vinyl liner - have used the ascorbic acid test which quickly removes the stains but unfortunately only temporarily. Have not been able to determine the source of the metal...