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Saw some threads relating to the Hanna BL100 PH controller so hoping someone may have some isights into why I cannor get this working. it calibrates just fine but when in pool line always reads about 3.9/4. I have tried calibration and then immediatly dipping back into 7.01 sol but reads low...

Hi, I just did a partial drain of pebble tec pool,not quite half but i noticed that in one area the water was not drying as fast, leaving what looks like cracks. On closer inspection i def see what look like lines of very hairline crack. At least i can see that some of the small stones are...

Hi, I've searched forums/google but all that comes up for autofill are problems with the valve itself. I noticed that the pool water level was way lower than normal and it seems to happen over few days. Also the pump was laboring, going in spurts. We have solar nets but I have disabled that...