CYA - issues high?


May 4, 2017
Austin Texas
We purchased a house with a pool! Congrats to us!

Ok, really this is our 2nd summer but first that we will care for it ourselves.

Up to this point we have had a service taking care of it for us. I purchased a ColorQ and began testing last week. CYA continue to read "HI" so my research and discovery of this forum began.

I drained at least half the pool, 14k gallon, and filled back up. We were out of town the next few days so the pool has sat untouched until today. I ordered a K-2006c test kit which I started with Testing CYA! It's still over 100ppm.

Unfortunately we are getting pounded on by rain right now so it is the only test I was able to get in before the rain began. I plan on testing in the morning.

I suspect I am back to draining again but perhaps even more this time.


Mod Squad
TFP Expert
LifeTime Supporter
May 19, 2010
Tucson, AZ
:wave: Welcome to TFP!!!

Quick, drain some water and capture that sweet sweet CYA-free and CH-free rain water ;)
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