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My spa starting gushing water out of the air intake so I guessed there was a clog in the spa plumbing. Testing the spa jets revealed that several were not putting out much water. A scope reviewed the below showing flakes of hard water deposits stuck in the jets. I assume there is a lot...

Loosing a battle to diagnose problem with Mastertemp 400 reading a temperature of about 10 degrees higher than actual. I've replaced the thermistor, thermal regulator, and today the logic board. I also cleaned the filter. Same issue. The heater shuts off at 103/104 high temp limit even though...

Over the last two years, I've had minor hard green spots in the spa which I simply scrubbed and then shocked. They typically return several months later. Now I'm starting to see some spots in the pool and also in the pool equipment, such as the hose in the pool (although appears to be...