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My suspicion is that your chlorine levels are very high and bleaching out the chlorine tests (a known problem except for FAS-DPD testing as found in the Taylor K-2006 test kit. This bleachout can be seen in your total hardness test and the fact that your pH test is showing the highest pH reading (also an indication of high santizer since the phenol red indicator will convert to chlorophenol red when high chlorine levels are present Chlorophenol red goes through te same color changes as phenol red but at a much lower pH range so if your water is 6.8 or above in pH the test will indicate that the pH is high when it is not). My suggestion is to get your water tested with GOOD liquid reagent test kit and not with strips, which are basically worthless. Also, if the liquid reagent kit is using DPD testing for chlorine it will also suffer from bleachout. AFAIK, only Taylor Technologies offers FAS-DPD testing. Many pool and spa stores do use Taylor testing or you can purchase a K-2006 online from Amazon or several online pool/spa retailers. You can do a quick and dirty check of total chlorine with an OTO test kit (ususally sold as a 2 way or 3 way test kit that tests chlorine or bromine and pH. You will know you have the right kit if it has 2 vials of liquid testing reagents and a comparator with a pH scale and a chlorine/bromine scale and the chlorine/bromine scale has color blocks in shades of yellow.) You can often find these at big box stores like Walmart, Home Depot, and Lowes. IF the total chlorine is high the color will be dark yellow to orange or possibly red/brown