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what type filter do I need

9 years ago

I have been reading all comments in faqs about the various filters and if it is necessary. My pond about between 800 and 1000 gal plus a small upper pond. I use a sump pump which works well but my problem is algae. The pond is clear as I have many plants in it with my gold fish. But the algae floats on top and clings to the sides. I pull all I can out

I have been looking at various types of filters and prefer an inpond type if possible. There are those types which float on top.

I have about a dozen goldfish and 100s of mosquito fish I also have bubblers in both ponds.

Comments appreciated. Penny

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