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Pentair SMART 25W UV Sterilizer

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Pentair SMART 25W UV Sterilizer

The SMART UV® product line is very effective at reducing microorganisms in water using ultraviolet light. These high-quality UV sterilizers feature a watertight sealed design and can be used safely both indoors and outdoors. They are an excellent choice for everything from small koi ponds to large recirculating systems.

SMART UV units have a 4" diameter housing and 1.5" slip union. Each model features low pressure lamps with a 9,000 hour effective life, as well as remote-style ballasts with 16' power cords (10’ cable to ballast and 6’ cord).  Units are 115V/230V 50/60Hz. UV vessels are built of a UV-resistant, high density polymer with a removable end cap to provide easy access.  Internal viewing ports allow visual indication of lamp status.

Includes a 1-year warranty on sterilizer ballasts, 3-year on housing due to UV damage and a 90-day warranty on lamps.

Suggested Aquarium Size: 130 gallons or less

  • Minimum Operational Flow Rate: 79 GPH
  • Maximum Operational Flow Rate: 788 GPH



  • Max Aquarium Size: 130 Gallons
  • Number of Lamps: 1
  • Algae & Bacteria Water Flow Rate: 472GPH/788GPH (Suggested*/Maximum)
  • Protozoa Bacteria Water Flow Rate: 79GPH/131GPH (Suggested*/Maximum)
  • Input Watts: 25 watts
  • UV-C Output Watts: 8 watts
  • UV Body Length: 29"
  • UV Body Diameter: 3.5"
  • Inlet/Outlet Size: 1.5" PVC Unions

1 Review

  • 4
    25watt UV

    Posted by Reef king on Jan 3rd 2020

    Great little 25watt UV , for prevention of algae blooms and ich , helps in clearing bacterial blooms , whether it’s on a reef tank or fish only you can benefit from a UV , size it correctly and flow amounts you won’t be disappointed, setup with a valve to slow water when needed, most of the time it runs at rated flow, slow down when an out break or adding new fish to reduce the chances of ich spreading if new addition had it coming in to tank, when using on a QT tank it can help reduce the stress by clearing ich quickly , only needing meds at half dose, a small water change helps clear and reduce amount of toxins