Pentair Aquatics

Smart UV Sterilizer 18 Watt (Up to 60g)

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Emperor Aquatics is now Pentair Aquatic Eco-Systems.


Why does BRS recommend this?

When it comes to UV most other companies will recommend a small UV for a large tank which in reality won’t do much more than make your water look a bit clearer.  If your ultimate goal is to keep bacteria, protozoa, and other free-floating pathogens at bay you really can't do much better than Pentair Aquatics for UV sterilizers.  With their real-world ratings, we have tried other UV sterilizers and really nothing else has come close.  Even though they are a bit more expensive than other brands, their performance makes them worth every penny.


Bulk Reef Supply carries the Pentair Aquatics line of UV Equipment because we feel they product some of the best UV sterilizers available to the aquarium industry and are one of the few brands that offer legitimately sized units capable of fulfilling their claims. Pentair Aquatics SMART UV series features a compact space saving design which utilizes a 3" reaction chamber. When used properly UV Sterilizers significantly reduce the chance of encountering disease or algae outbreaks.


Pentair Aquatics UV Sterilizers are superior in the following ways:

  • Sterilizers are accurately sized based on contact time, flow rate and tank volume to achieve realistic results.
  • Suggested sizes are based on end of bulb life to ensure continuous results
  • Suggested flow rates factor in the water clarity and UV Transmittance of typical aquariums rather than basing them on purified water.
  • Unique design maximizes the effective contact time by utilizing the full bulb length.
  • Pentair Aquatics is trusted by zoos, universities and public aquariums including Duke University, Monterey Bay Aquarium, SeaWorld, Georgia Aquarium, USDA Agricultural Research


UV sterilizers are most effective as a preventative measure against disease outbreak. While not infallible, a properly sized and set up sterilizer will add a significant barrier to disease outbreak. Protecting your system and it's inhabitants will ultimately save money, promote long-lived healthy fish and increase satisfaction received from the hobby. Sterilizers can also be used as a component of an effective strategy to current outbreak. Primarily to help ensure the outbreak doesn't re-emerge after treatment. Anyone who has had the misfortune to encounter an outbreak will appreciate the importance of preventive measures against future problems.


Suggested Aquarium Size: 60 gallons or less

  • Inlet/Outlet: 1.5" Slip Unions
  • Minimum Operational Flow Rate: 37 GPH
  • Maximum Operational Flow Rate: 356 GPH



  • Max Aquarium Size: 60 Gallons
  • Number of Lamps: 1
  • Algae & Bacteria Water Flow Rate: 219GPH/356GPH (Suggested*/Maximum)
  • Protozoa Bacteria Water Flow Rate: 37GPH/60GPH (Suggested*/Maximum)
  • Input Watts: 18 watts
  • UV-C Output Watts: 5 watts
  • UV Body Length: 21.75"
  • UV Body Diameter: 2.5"
  • Inlet/Outlet Size: 1.5" PVC Unions


*Suggested flow rates are based on 80% power or "end of lamp's life" performance

*Maximum flow rates are based on 100% power or new lamp output

*Flow rates consider 90% UV transmissibility

More Information
UPC 411225238
Manuals Owners Manual
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Product Questions

Being that this unit is rated for 100g and under, the 1.5" slip union fittings seem a bit large for the plumbing system I will be creating. My return I believe will have 1" plumbing heading to the tanks 2x 3/4" return bulkheads...how do you suggest plumbing to the sterilizer? Is immediately reducing the unions acceptable? Thank you!
Question by: Sean Stuart on Mar 8, 2020, 2:56 PM
Hi there,

You can just use a reducing bushing to bring the union down to 1". They are found under out schedule 80 fittings.

Take care
Answer by: Thomas Billington on Mar 11, 2020, 12:04 PM