Needing to add chemicals

Ok. Got my pH to 7.2 or 7.3. I have a hard time deciding what it is. Here is the photo.

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It looks close to 7.2 than 7.5. How much do I aerate if at alll? I turned on my waterfall , but I guarantee by morning my pH will be Hot pink in color again
 
So do I aerate or not to raise pH but not TA?
No real reason to. The pH will rise with or without aeration. Might be a touch faster with induced aeration, but just leaving the pool uncovered you will get natural pH rise with elevated TA levels.
 
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Thanks for adding your test kit!
How do you measure salt?
Do you have the TF-Pro or TF-Pro Salt?
No need to add the "Taylor 3 way OTO Test kit" as those reagents are included with the TF-Pro.
 
I have a hard time deciding what it is.
A consistent background is key. To get good backlighting, hold the block in front of your computer monitor/tablet/phone with a blank white screen displayed. Also, try holding the block sideways or upside down. Sometimes that helps distinguish colors better. I also use two old hotel keycards to mask off areas and narrow down my decision.

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