I am just starting to open our pool and I am not sure what level to shoot for the TA. the card that came with my test kit says 100-120 for "normal pools" (it says 60-90 for salt pools, but ours is not salt) and my pool math app says recommended is 50-90 ... I did check the set up and have bleach selected in the pool set up for the app, but I am just not sure which one I should be targeting. I already brought it up from 40 to 60 with baking soda.