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Can anyone confirm if the Proline valve control runs off of 24 AC or DC voltage? Hayward has said it is DC, but I'm not sure I believe that statement given the other competitor controls are all AC.

Are there any other possible reasons for CYA loss besides draining/splash out? My CYA has dropped over the last month despite adding CYA in efforts to bring it up 20 ppm. The pool is getting heavy use and it has been very hot and sunny here in Houston. Salt has not dropped a proportional...

I am having to add acid almost daily with a pH rise of .2-.3 points a day. Is this normal for a newer pool? I tried to lower the TA but the pH and TA rise so quickly the additional aeration doesn't allow me to gain much on the TA. SWG is set at 30% and I have a slight trickle out of the spa...

When I first turn on my pressure cleaner after it has been off for a day, a large amount of air spills out from between the wall and the cleaner fitting/regulator. It takes about 30 seconds before you start to see the bubbles after the cleaner pump comes on and stops after about a minute. All...

After adding salt to my pool, I've been getting noticeable scaling on the grout of my tile spa overflow. According to the pool calc, I have been well in the negative CSI range so I'm surprised this would be occurring. It's easily cleaned with 10:1 acid wash, but I would prefer to prevent than...

I have just taken over maintaining the water from my builder and was wondering why following the suggest values in pool school shows "potentially corrosive" on the pool calculator. Water values using the TF100: FC 4 PH 7.5 TA 90 CH 280 CYA 100 [builder said he recommends 100...] Salt 3100...

After battling with the 22.5ft power line rule for a few months and finding this site later in the process, we finally started our build on the 14th. This site has been great for getting more info on the more controversial topics. We decided to go with salt despite the many warnings from some...