ULTIMA II 6000 filter for Koi ponds up to 6000 gallons.
No channeling * Minutes to backwash * Can handle heavy fish loads * Seeded with bacteria * Filter can be buried * Unique tubular design protects bacteria while dislodging unwanted debris.
Features: 2" inlet and outlet
Dimensions: 41" x 22.5"
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AU-A50007
Aqua Ultraviolet Ultima II 6000 Filter - 2 Inch Ports
You should stop feeding your aquatic plants about a month before the first frost in your area. Even in areas that don't normally have frost, plant growth slows in the shorter, cooler days of the fall and winter months.
