Will do thanks. More trouble than it’s worthI woudl stop tinkering and leave the dousing pump out of the pool for a while.
Get some experience with testing and tracking your pH and TA without it being effected by any outside influences.
Record all your test results in PoolMath
What is confusing that your douser system was continuously adding acid and causing your pH and Ta problems? That is why we don't recommend those system. You never know when they go haywire.