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    Stains around drain

    My pool was resurfaced 2 years ago and about 1 year ago I have these stains around the main drain. Is there a way to remove them?
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    Unusual stains

    Tenents moved out and I found these stains around drain in below ground pool. They look like the screws holding down main drain cover have rusted/disintegrated. The stains are a dark brown as if a metal screw rusted on the boottom. Can these stains which have been there for several years be...
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    Are there robots which actually have brush/brushes which scrub the floor/walls

    I am having my pool refinished and have considered buying a new robot cleaner - plug in electric socket kind and not vacuum kind. Are there any which actually have a spinning brush on them? I've seen some which have a "sweeper" on them but I think they simply rotate at the same speed as the...
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    Pump Needs Replacing- what size with solar panels?

    I currently have a 12,000 gal. in ground pool which I'm having refinished and a new pump installed. The old one is 16 yrs old with a new 1.5 HP motor that's 3 -4 yrs old. It appears that 1/12 ping was used under pool.I also have 7 4' x 10' solar panels on the 1 story roof. MY question is what...
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    Replacing Fiberstars FS4 fiberoptic light.

    I would like to replace the above with an LED light. Anyone know how to do this? What to buy and why. The Fiberstars power /light unit is outside of the pool enclosure and is not working now. There do not seem to be replacement parts available and Fiberstars will not sell parts, and try to push...
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    AA Treatment - partial failure

    Iron stains are on 75% of saltwater pool (10,000 gal pool) bottom and have been there 5+ years, sort of like amoeba shaped with no definite edges. Used the AA treatment to try to remove stains. I took the chlorine down to 0, and ph down to 7.1-7.2 . Added 1 lb. of AA and let pump run 24 hrs...
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    How to reduce chlorine to zero with a salt chlorinator?

    I have a 12,000 gal. pool which uses salt to produce chlorine. I have stains that I need to try to get rid of and I have purchased Ascorbic Acid. In order to use it I need to get the chlorine to 0 but the Intellichlor is plumbed in line and can not be removed or turned off. How can I get rid of...