My mother in law has a pond that we dug about a year or two ago. Lately is has been really green. the landscape store has been selling her some additives etc that are supposed to be clearing it up but nothing has really worked. She removed the gravel on the bottom a few months ago bc we thought it was holding algae so she removed it and cleaned everything and didnt put the gravel back in and it turned green, again! Can you run UV on outdoor ponds? is it recommended? I would estimate the pond at 300gal. The pump is on the very bottom of the pic inside the "skimmer" portion. the filter and nets are cleaned out peridocially to remove leaves etc.
IMG00380-20110129-1018 (Small).jpg
IMG00380-20110129-1018 (Small).jpg
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