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Pump makes a humming sound when started and otherwise does nothing. Pretty sure it's a bad capacitor, but I have a run capacitor and a start capacitor. Is there any way to know/educated guess which one it is? Thanks

When I opened my pool, I shocked it with approximately 10ppm free chlorine. The chlorine immediately became combined chlorine (test and foul smell resulted). I drained some water out and refilled and then shocked it with 30ppm free chlorine. The same issue (combined chlorine and smell)...

I own a Dolphin T35. It will start then abruptly stop after 1-20 minutes. I've cleaned the basket and the impeller and still has this problem. Any suggestions?

I am experiencing overnight chlorine loss of about 2ppm. The water is clear and no signs of Algae. Here are my latest test results: FC - 1 TC - 1 TA - 90 PH - 7.4 CYA-90 Phosphates - 0 Nitrates - 5-10 Thoughts? I had this problem before when I had high phosphates. I used a phosphate...

I have a new pool. During my tutorial I think I remember the guy saying not to use calcium hypochlorite tabs/shock in a salt pool system. Is this correct? If so, does anyone know why? It's possible I misheard him. There was a lot of info coming quickly. Thanks.

The pool company opened my pool and added liquid chlorine. A while later, I tested the levels and came up with almost no available chlorine detected. I added 4 gallons of concentrated bleach and tested again a bit later and still barely registered. This is my first opening. Is this normal...

When I lowered my water level for closing, the liner floated due to groundwater. This spring I filled the pool and worked out most of the wrinkles, but a few wrinkles remain in the floor of the shallow end. This was mostly due to having to fill the pool with a hose and not being able to be out...

I have an in-ground vinyl pool. I drained some water out of the pool last night to get it ready for closing today and I woke up to this. The liner is a mess now. Is it ruined?