help on water perimeter for crs.

Hi, after almost a year here i finally saved enough to get myself a tank set. My water perimeter currently for ph reads 6. i know the optimal is 6.3 ~ 6.8 but my test kit not that high end to calculate til there. but its around 6. is it ok?

and for GH, my test kit. im not really clear about the reading. mine is the kind how many drops = how much GH.

my GH reading is 6 degree. around 100ppm. is that alright? i know silane thread say the optimal is 3 ~ 6 but is the reading in degree?

Thanks~!!

P.S does KH affect crs? my KH only 1 degree. instruction was that once i drop in the solution, water must turn from BLUE to Yellow. but the solution itself is orange in colour so i was wondering where in the hell BLUE colour will appear. but still i put 1 drop and the colour turn yellow so i reckon my KH is 1 degree