Although I started running the pump over a month ago, I was just recirculating the water into a bucket of lava rock and therefore only operating the lower pond. Well, after a week of sun and warm weather, the algae has taken over, so I decided today to pump the water up the hill to the bog garden and upper pond.My plan later this summer is to enlarge the lower pond and re-route the cascades into a second lower bog garden before spilling into the lower pond. For now, though, I'm happy just to hear the existing cascades once again.
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