The Pondmaster 20 watt Submersible ultraviolet clarifier can be used in AND out of your pond.
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 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 the 20 watt clarifier / sterilizer 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.
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