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Other than the front panel not fitting right, can an AquaPlus system be upgraded to a PS8 to add some relays by just replacing the P4 Local Control with a PS8 Local Control and getting a relay kit?

You should be able to replace your pump motor with a Regal Beloit/Century/A.O. Smith UQS1152R 2 speed motor without replacing the whole pump. That should be the two speed version of your motor and should bolt right on. If you go that right, you should also figure out which pump seal you need and...

We are adding a C2000 controller to my year-round spa in Chicago. I am a little concerned that the flow cell & sensors could still freeze during a real cold spell. The low speed pump on my spa runs between 6 and 8 hours a day depending on temperature. Any thoughts on how to insulate the flow...

I have a good test kit. I had a Bioguard demand test done using the Bioguard demand test equipment. When this happened two years ago, the Bioguard test gave me the right amount of chlorine and it broke the excess demand completely. All I was trying to ask was whether my calculations were right...

My CYA is around 60. Note that we are dealing with a Chlorine Lock/Demand issue here not a simple dirty pool. In fact my pool is perfectly clear. My understanding with a chlorine demand situation is that you want to supershock the pool and then watch your chlorine to see how fast it drops. If it...

I have a 21,500 gallon pool. By my calculations, their numbers create a 43 ppm rise which is a pretty heavy shock but only about 20 PPM more than the recommended shock for my SWG pool.

I have a chlorine demand problem and had a Bioguard demand test done. Of course, test indicated that I need 22 lbs of Burnout 35 to break the demand. Burnout 35 is is Lithium Hypochlorite and about $8 a lb. If I do my calculations right, about 8 gallons of 12.5% liquid chlorine, 11 lbs of 73%...