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    Pentair Mastertemp 400 - Ghost in the Machine - Membrane Pad?

    The heater works, then it doesn't work. Runs for 5 minutes, then shuts off and tries to turn on then sometimes successful, sometimes not. But no error codes. Hmmmmmmm. What could it be? It is very hard to diagnose an inconsistent problem. However at this point, I am pretty Dang sure it is the...
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    Pentair ic40 - salt reading Zero on phone app

    Everything seems to be working. The cells panel shows salt good and status generating. Plus I have verified that the cell is actually generating chlorine by testing water from the inlet. The pool FCL is 6.5, but with the cell on 100%, the water at the inlet reads 9.0. So everything says that the...
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    FC/CYA as a Function of Season & Covers

    In my 18 months of pool ownership I have learned a lot from this forum. One is that guidelines are just that guidelines. The CYA recommendation for an outdoor SWG pool is 60-80. But what about winter when the sun is about 1/2 as strong, or even during the summer when a cover is on the pool for a...
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    SWG - Range of FC and Equalibrium

    Is it a correct statement that the sun burns off a percentage of FC everyday versus a fixed amount of FC? If this is the case then my SWG should reach some type of equilibrium with regards to FC and then based upon sunny days, pool cover and contaminates there should be a range of FC that is...
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    Solar Panel Installation on Metal Roof - w/ Pics

    Last year my pool was built and I have to say that I have thoroughly enjoyed it. So much so that I used it year round and spent quite a bit heating it during this last winter. After all it is Southern California and by the beach winters are milder than inland. But my dilemma is that I like my...
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    Is a Light Dusting of Algae Normal while Brushing?

    Just looking at the pool you wouldn't notice any algae, but when I brush some green algae is kicked up and when I clean the cartridges filters there is a light hue of green on the unwashed cartridges. Should my cartridges ever have a green hue if my pool chemistry is correct? Do I need to shock...
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    Things I wish I knew as a new Pool Owner

    Last spring I built a great pool and have enjoyed it everyday since new. I have not necessarily struggled to maintain the pool, but often times was somewhat flummoxed. If I knew what I knew now, things would have been easier. So here are the most valuable things I have learned in the last year...