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  • From: Bill Jones <billj AT harborside.com>
  • To: Homestead mailing list digest <homestead AT lists.ibiblio.org>
  • Subject: [Homestead] Multi-Use Pool
  • Date: Tue, 17 Oct 2006 12:38:42 -0700

It dawned on me one day that our new 32' x 16' x 4' pond could actually become a multi-use swimming pool, if only potassium, and not sodium hypochlorite, could be used for chlorine. It's mostly the sodium that creates the problem. The idea goes like this. The pond is filled for free during the winter months from the creek flow. I keep a pool cover on it for several months. Some time in June I vacuum it and start adding potassium hypochlorite. Now for the hotter months, we have a nice pool. In September the weather's not so nice for swimming anymore, but the water demand is at its greatest, and this is the time when the well is most likely to run dry. After a few days of sitting the hypochlorite ions are deactivated by sunlight, and the very weak solution of potassium chloride (and hopefully not much else in the line of fertilizer) is available for watering plants. Best of all, the potassium hypochlorite can be made right at home by electrolyzing a (dirt cheap) potassium chloride solution. In fact, it's just a by-product of hydrogen making. To make hypochlorite, you merely modify the apparatus so that the solution is stirred at the other (positive?) electrode, the one that doesn't make hydrogen.

Bill
S. Oregon coast




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