When your building a natural looking water feature and want it to look as real as possible, being able to hide your UV light under water is a big plus. The Pondmaster UV Claifiers and Sterilizers are a black color helps it blend in with its surroundings and the patented Halo ring/s which is a soft blue glow will tell you that the unit is working.
Pondmaster designed their clarifiers and sterilizers with a vortex swirl. This vortex swirl pattern makes the unit work better by allowing the light to be in contact with the water longer than if the water when straight through the unit.
Tips for Best Results: To get the best results out of your Pondmaster/Danner UV light you need to calculate your ponds total volume in gallons and size your UV light accordingly.
Another important factor that affects the performance of Pondmaster UV's are water flow rates. The slower the flow rate the more effect a water garden UV light will be, but you need enough flow for proper filtration and waterfalls.
Pondmaster UV pond filters are available in 10, 20, and 40 watt models that can treat ponds up to 6000 gallons. If you have a really large water feature you can also use more than one Pondmaster UV clarifier or sterilizer filters.
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