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| Zone 4, Sonoran Desert, Tucson AZ
What technical problems, or issues, are there in changing a conctete pool that has been used with chlorine for years to a chemical free pond? Has the painted concrete absorbed chlorine or other chemicals? Isn't that what the paint prevented? water and chemical absorption? Now that there are no more chemicals being used, will something "leach out" of those walls to kill whatever plants and fish are now in it? What am I missing? What do I need to know about this before attempting this change?
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Follow-Up Postings:
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| Ella, there's nothing to worry about. Swimming pool chlorine is calcium hypochlorite. Short version, chlorine evaporates leaves behind calcium carbonate. You said the pool is about 30 years old, so any pH problems with new concrete are long gone. I would drain it, scrubing the sides as it drained, then fill it back up with new water and start over. Just in case. Might as well start out new. Corrie |
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| Thanks. Reading about the life span of paint, it may be time to repaint. I doubt it's been done in the last 6 years. I need to have some one who knows evaluate it. Should I paint it? If it's not painted, will the water seep out? I guess if it does need repainted, NOW is the time, before filling it with plants, right? And if so, a dark color, right? Charcoal or black? Ella |
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| I don't know anything about painted pools. I can't imagine why someone would paint it though. If it's holding water now, I would leave it alone. Mine is concrete with a coating of Thoroseal over the concrete to make it water tight. We put black concrete dye in the Thoroseal. |
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- Posted by pondmaninal (My Page) on Mon, Dec 27, 10 at 20:25
| Another product that you can use, which was suggested to me by a guy that puts in koi ponds, is PermaFlex. |
Here is a link that might be useful: PermaFlex
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| I would not use Permaflex. I have known of several people in the past few years who have used it and are now in the process of peeling it back off because it is not staying water tight. It seems to develop pin holes and flakes after a few years. If you do paint it, I'd go with black. All koi ponds are built with a black liner because the black disappears. It also look nice when the green algae starts to grow on the walls. A blue pool looks really bad with algae growing in it. |
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| Hey Cindy! ( insert hand wavy thing here) I'm confused about this paint thing. Corrie |
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