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Hi Guys, My TFP Test kit finally arrived and I was able to test my pool chemistry today. Here are my results: CL: 0 Br: 0 TA: 110 CAH: 925 pH: 7.8 CYA: 0 (i'm assuming it is zero bc I could still see the black dot with the view tube completely full) My pool guy was just here 2 days ago, so my...

Hello all. Newbie here hoping to find some assistance. I have a Pentair Mastertemp 250 pool heater. When the heater is turned on, after a variable amount of time the service heater light comes on. It is almost always within the first 10 minutes of operation. Once the service heater light comes...