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The AQUA ULTRAVIOLET A50073 is the Ultima II 1000-gallon bead filter, a mechanical and biological filtration unit designed for pond and water feature systems. It handles up to 1000 gallons of pond volume and accepts 1.5-inch plumbing connections. The unit ships with filter media included, making it ready for initial installation without sourcing additional media separately. Pond service professionals and experienced hobbyists install this filter as a primary filtration stage, relying on its bead bed to capture suspended solids and support beneficial bacterial colonization for nitrogen cycle management.
The Ultima II 1000 is suited for residential and light commercial pond installations where consistent water clarity and biological filtration are required. Its 1.5-inch port sizing is compatible with standard pond plumbing configurations. The included filter media reduces setup time and ensures the unit is matched with the correct bead type and volume from the start. Typical applications include koi ponds, water gardens, and decorative pond systems up to 1000 gallons requiring low-maintenance bead filtration.
Designed as an OEM-style replacement or new-install bead filter for pond and water feature systems up to 1000 gallons using 1.5-inch plumbing connections.
Installation is typically performed by pond service professionals or qualified contractors familiar with pond plumbing and water feature systems. Shut off all circulation pumps and isolate the plumbing run before making any connections. Use appropriate PVC solvent, fittings, and unions at the 1.5-inch ports to allow future serviceability and media backwash access. Verify all connections for leaks before returning the system to normal operation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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