For now, you need to run higher chlorine levels than you can measure with your kit. Keep the chlorine in the DARK yellow to orange-tinted yellow OTO range (10 - 30 ppm). Read the Best Guess page, linked in my signature block, for an explanation and more info. Probably the best way to do it, is to dose to orange-tinted yellow, and let it fall over a period days to dark yellow.

Make sure your pH is below 8.0 BEFORE you dose with chlorine: you cannot test pH with phenol red in the OTO orange range. So only re-test pH just BEFORE re-dosing with chlorine.

You can swim safely and comfortably with these levels, but I wouldn't recommend wearing your newest swimsuits when the pool is at peak chlorine levels. People are far, far more chlorine resistant than swimwear is . . . and the more expensive the suit, the less resistant it is!

But, you're going to need to order a K2006 kit (links in prior post) -- you really can't manage the high hardness levels and high CYA with the kit you've got.