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Thanks for the advice. Looks like I have a project for this weekend.

The check valve is above the water line. Not sure what I was thinking. The valve looks like it's in decent shape, so hopefully it just needs to be lubed. If not, can I swap the flapper from an identical valve or will I need to completely replace it?

I see a check valve with a clear window on one of the pressure side lines. How can I tell if it isn't working? And, if I open it up to fix it, won't I have a geyser on my hands?

My pool has an attached spa with a spillover. Usually, the water level in the spa is several inches higher than the water in the pool, but for the last few days, the water level has dropped steadily during the evening after the pump has stopped running for the day. It seems like the water is...

I don't have any spa side controls other than a 4 button remote (http://www.magnoliapools.com/Pentair_QuickTouch_4_Button_Wireless_Remote_p/520148.htm). Only three functions are active. The top button turns on spa mode, the second button activates the spa jets and the third button turns on the...

I think there is one open relay. One is currently used for spa mode, one for jets, and one for lights. I was also wondering if the Intellicomm would work with the VS. The Intelliflo installation guide says it is compatible with the Intellicomm communication center, but it looks like that's...

I'm not sure I understand. Are you saying the LX100 with an IntelliComm II module won't be able to change the speeds on the Intelliflo, or just won't work at all? The instruction manual for the IntelliComm II (http://www.pentairpool.com/pdfs/IntelliCommIIOM.pdf) contains instructions and...

Yesterday, I noticed my pool pump (Pentair Whisperflo) wasn't running or getting power. I checked the breaker in the garage and found it had tripped. I reset that but still couldn't start the pump. That's when I noticed the breaker in the Compool LX100 had tripped as well. When I reset that...

FC went down .5ppm overnight, CC stayed at 0, and the pool is still clear. After it quits raining I'm going to test the water and see where everything stands. Hopefully, I can start maintaining the pool now instead of fighting problems. Thanks for all your help!

New numbers: FC: 10.5 CC: 0 TC: 10.5 pH: 7.8 T/A: 140 CH: 240 CYA: 40 Temp: 87 The sparkle is back! pH still looks a little high and FC didn't quite make it to shock level. I'm going to add more dry acid and then bring the FC up to 15. How long do I wait until I do an overnight FC drop...

Well, I just returned from Walmart. The 10% chlorine in the pool section was cheaper than bleach so I bought that instead. I also couldn't find muriatic acid so I bought sodium bisulfate. I guess the pool calculator refers to that as dry acid, correct? I hope so because I already added 17oz...

My test kit came in today and I was a little surprised by the results: FC: 1 CC: .5 TC: 1.5 pH: 8.2 T/A: 140 CH: 240 CYA: 40 Temp: 88 The pool calculator is telling me to add 56oz of 6% bleach, 27oz of calcium chloride, and 21oz of 31.45% - 20° Baumé muriatic acid. Does that sound right...

I've read through the manuals for both the filter and pump and think I've got a pretty good understanding of the cleaning process. Thanks for the advice CombatYoga. Also, Optica, I believe you're correct again. That unknown pipe does appear to be for the spa jets. And, yes, there is an air...

Thank you for your insightful response. Using your explanation, I played with the valves a bit and here's what I've learned so far: The 4 pipes on the right are vacuum supply lines as you said. From right to left, the first and second pipes are (I believe) for the skimmer and main drain...

Thanks for the quick responses! To answer your questions: The water is definitely cloudy but I think the green has dissipated. Here are current photos from this evening (Sunday): [/*:3lq5r9td] The test kit the previous owner left is an Aquality Mark IV test kit. It says it has reagents...

I just bought a home with a pool and need some help to get started. The previous owner had a pool service and the water was crystal clear when we moved in. Now, after a couple of weeks, the water is a bit cloudy and slightly green. I've been to the pool store twice for water testing and...