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| + | Follow the instructions for [https://www.troublefreepool.com/blog/2019/01/18/cya-cyanuric-acid-test/ CYA Testing] in Pool School. Read all of the notes in the Pool School article. | ||
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Many people find the CYA test to be the most difficult test to interpret and get consistent results. | Many people find the CYA test to be the most difficult test to interpret and get consistent results. | ||
Don’t agonize over the CYA test. Just call it as you see it. | Don’t agonize over the CYA test. Just call it as you see it. | ||
| − | + | [[File:CYA End Point.png|thumb]] | |
==Light Conditions Matter For Reading the Dot== | ==Light Conditions Matter For Reading the Dot== | ||
As much as possible you should do the CYA test in the same consistent light conditions: | As much as possible you should do the CYA test in the same consistent light conditions: | ||
Revision as of 15:55, 15 October 2019
Follow the instructions for CYA Testing in Pool School. Read all of the notes in the Pool School article.
Many people find the CYA test to be the most difficult test to interpret and get consistent results.
Don’t agonize over the CYA test. Just call it as you see it.
Light Conditions Matter For Reading the Dot
As much as possible you should do the CYA test in the same consistent light conditions:
- Outside in full sun
- Back to sun
- Don't stare at the dot as you pour
- Fill to a line and glance at the dot
- If you see the dot fill to the next line and glance at the dot
- When the dot disappears you round up to the previous line. If you saw the dot at 40 and not at 30 then you call it 40
After reading, you can pour mixture back into the mixing bottle and try it again; repeated readings on the same sample will lend confidence in the result.
What the CYA Test Dot Should Look like
The pictures below are from Taylor Technologies and illustrate how the dot should look.
CYA Standard Solution
You can buy CYA 50 Standard Solution to practice on and see what the dot should look like at the CYA 50 end point.
