So my pool is constantly in this teal color stage. I tried shocking it and it helped. I'm reading about SLAM however my CYA is at 170 per Leslie's water test. Is a drain and refill necessary or can I proceed with a SLAM. TIA
New Pool Owner. CYA is too high?
- Thread starter TheDude26
- Start date
- Jun 22, 2014
- 48,236
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
Welcome to TFP! 
If your CYA is indeed that high, or even close to it, yes, a large water exchange will be required. But I wouldn't do too much without testing your own water first with a TF-100 or Taylor K-2006C test kit. Pool store testing is often incorrect, and the CYA test is a good example of one they get wrong many times. Start with a TF-100, post a full set of your own results, and we'll help you get that water back to clear.
ABCs of Pool Water Chemistry
Test Kits Compared
If your CYA is indeed that high, or even close to it, yes, a large water exchange will be required. But I wouldn't do too much without testing your own water first with a TF-100 or Taylor K-2006C test kit. Pool store testing is often incorrect, and the CYA test is a good example of one they get wrong many times. Start with a TF-100, post a full set of your own results, and we'll help you get that water back to clear.ABCs of Pool Water Chemistry
Test Kits Compared
Welcome to TFP!
ABCs of Pool Water Chemistry
Test Kits Compared
Thank you, I ordered a k2006 set this morning, it'll take about a week. I'll probably have Leslie do another water test to see if there are any changes/inconsistencies.
- Jun 22, 2014
- 48,236
- Pool Size
- 17888
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-45 Plus
When you get a moment, update your signature with all of your pool and equipment info (include the K-2006C) and we'll watch for those test results next week. 
Just updated my signature. I think it's 20Gal pool but am not 100% sure. Is there a method to calculate?
PoolMath has a tool for a rectangular pool. PoolMath
For an odd shape break it down into segments. You want to figure out the cubic feet and convert to gallons. What shape is your pool? One cubic foot equals 7.48 gallons.
For an odd shape break it down into segments. You want to figure out the cubic feet and convert to gallons. What shape is your pool? One cubic foot equals 7.48 gallons.
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Got my k2006 kit. It's a bit more complicated than I expected so hoping I am doing it right. The TC test has it about 1PPM. Granted I haven't been using the tablets the last 4 days because of the high CYA. I feel my chlorine is being eaten up because I poured 1 Gallon of Liquid Chlorine on Monday. Might have to go back to the tablets but at the same time, I have this annoying teal tint and haven't gotten it looking blue yet. /rant.