Still looking for answers

Test water was 7.8
I am testing with a drops tester...not perfect but repeatable results
No fountains
Return water has not been aerating the water generally
I test in the morning generally
I test from all over and I use a large baster to draw water from about 15-18" under water
The pool is presently not covered


I have heard and read that shocking the water is the way to go, but i dont understand it since the bleach has a high ph.