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    How often to backwash when you have a robot?

    Thanks. I will get into the habit of doing that. I just discovered the ability to track filter pressure in the pool math app which will make this much easier!
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    How often to backwash when you have a robot?

    Does using a robot exclusively for cleaning impact backwashing frequency? My pool runs on a low speed 24/7 so the flow is too low for the pressure on my sand filter to display. I don't backwash regularly as I get very little debris in the pool, water is clear and chems are in range. Is there...
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    what is your best advice to prevent liner fading?

    Thanks for explaining. Very helpful!
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    what is your best advice to prevent liner fading?

    Can you expand upon the impact of SLAM on liner fading? Does SLAMing prior to closing increase liner fading? I've read some posts that recommend SLAM then keeping Chlorine level higher than normal to avoid algae. Won't this elevated CH over the winter fade the liner? I usually close with chems...
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    what is your best advice to prevent liner fading?

    I'm getting a new liner next week (obsidian/butterfly effect). Current liner is about 20 years old (original) and was almost completely faded when we bought the house 10 years ago. What little faint pattern there was has completed disappeared since then. This is my first ever liner replacement...
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    what is the best product to clean walk-in steps?

    thank you everyone!!
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    what is the best product to clean walk-in steps?

    I use Magic Eraser for kids messes but I read somewhere that it wasn't good to use it in the pool.
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    what is the best product to clean walk-in steps?

    What do you use to clean black waterlines and light yellow stains on white walk-in steps? I have a ph-neutral liquid from the pool store but found that it requires a lot of scrubbing... I've had it a few years so maybe it's just old. I've read about vitamin C and some other products. What is...
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    conflicting info on CH

    Both are 15 years old so warranty is not an issue. Thanks!
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    conflicting info on CH

    My regular pool shop told me not to worry about ch level. every time my water test says my hardness is low they tell me to ignore it. they said that as long as my saturation index is in the acceptable range I'm fine (currently -0.8). Another shop however told me that the ch is important to...
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    why are there two skimmer access holes?

    Thank you for your replies. Does the following information provide more clues?... Behind the empty hole is a flower bed that we just dug up in order to fix our drainage/grading problems. While doing this we found the pool's original backwash pipe. A previous owner had disconnected it, we...
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    why are there two skimmer access holes?

    Our house came with an inground pool (13,000 gallons) and we are trying to figure out the skimmer setup. On the pool deck there are two skimmer access hatches located about 8 feet apart, on the same side of the pool. One is empty... its just a big pipe with some water (presumably rain water)...