I got TF-100 test water kit 2 days ago and started testing the pool water.
Initially we had low alkalinity (around 40 and low pH 6.9 according to pool store test), so 2 days ago we dumped around 25 lbs of baking soda. pH increased as well as alkalinity.
Here are the yesterday results:
It looks like TC is too low. We have chlorinator which was set to 6, now we set it to 7. Should we increase the flow even more?
CH 100 is OK? We have vinyl pool.
Thanks for any hints.