PM2000 PondMaster Submersible Box Filter for pumps up to 1800 GPH - 02200
Product Details
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Special Note: Your pump must have an intake to connect filter. The pump must have a minimum pump flow of 700 GPH. If your pump is under 700 GPH, choose the PM1000 Submersible Filter.
Product Reviews
Cons: A bit inconvenient and hard to clean - you must pull it up from the bottom of the pond and clean with the hose.
I've had a Pondmaster 2000 in my pond for 6 years (That's what was installed in the pond when we moved in). Our pond is 1100 gal and approx 7 x 7 ft x 27 inches deep. This filter sits on the bottom of the pond so that allows us to run the waterfall all year - 365 days a year here even in Northern Colorado. We are a certified wildlife habitat and the pond provides water to wildlife even in the winter. It's amazing how the water in the waterfall continues to flow under the ice even when nights are almost -20* below zero. We generally have 6-8" on ice on the pond all winter.
In the summer I clean the filter every week (and give the algae water after cleaning to the flowers - great fertilizer). We generally have our first hard freeze in Oct-Nov. The fish (goldfish & koi) go dormant and the water surface freezes except for a small spot under the waterfall. It's amazing that this filter does its job all winter from about Sept - April without being cleaned. Generally I can access it again in April and then clean it weekly from May-Sept. So it filters all winter for about 8 months during the pond's dormancy without being cleaned. So 5 stars for this one - a simple, inexpensive filter that works. Having a submerged filter that sits on the bottom of the pond is a bit inconvenient for cleaning but that is what allows it to run all winter.