CYA level. Is it supposed to be completely invisible?

[tbird2340]

I always have problems with this test. Is it supposed to be completely invisible? I have it filled to the top and this is what it looks like:

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[pooldv]

Here are some reference pics, https://www.taylortechnologies.com/ChemistryTopicsCM.ASP?ContentID=36

 

[tbird2340]

Here are some reference pics, https://www.taylortechnologies.com/ChemistryTopicsCM.ASP?ContentID=36

Thanks for the reply.. So that being said, with my picture provided, would you say my CYA is around 20?

 

[duraleigh]

You are gonna' need a better picture. How high is the mixture up on the scale?

 

[pooldv]

It is probably higher than where it is in the pic. That is a little too opaque. But, not sure about the lighting.

More here, Pool School - CYA

 

[MarianParoo]

Well, you have SOME CYA for sure. Was it at the 30 line or the top of the vial? What is your goal CYA?