I’m getting a total test kit soon (not just ph and Chlorine- although chlorine is really high it seems..), just bought a house with a pool. The owner left a little chlorine, a case of muratic acid and soda ash. The water is nice and clear, but now ph is at 8.0 and the chlorine test is more yellow than the gauge shows on my basic test kit. Should I wait till I have complete test kit or can I try lowering ph now? Also- I have a sand filter and in floor cleaning system- both look 20-30 years old. Occasionally the filter pump just won’t pull water through I have to use hose and cleaning system pump to kind of suck water backwards to get clog out.... any suggestions on line clogs I doMy think I should keep doing it like I am....? Aaaaaaand last question- does pool water kill grass? Thanks!