So I went ahead and purchased the TF-100 test kit based on recommendations here. I've tried to perform the TA test because we have well water and we're trying to get that down. However, when I do the test, it says add drops of the 2nd solution until it changes colors. But, the thing is that it never changes colors. I gave up at 20 or 200 TA.
We just had a monsoon here in Texas and now the PH is way low. First time pool owner here just trying to figure out what my next step is.