melev - Glad to see you're still lurking here, Marc. I've pretty much decided that options 1 and 2 are the way to go since I will continue to drip kalk. I actually have a lot of catch-up to do on your thread. I stopped receiving update notices over a month ago, and I find myself back on page 26
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Bax - Thanks for the info as well. I looked at the Pan World pumps, but the footprint is far too large to fit in the return section of my sump. Guess I'll just have to get some more muriatic acid.
Hey, isn't this thread gonna split soon?