Tetra Pond GreenFree UV Clarifiers

Affordable UV Filtration for Garden Ponds up to 8800 Gallons!

SKU: 19523-Grouped Categories: , ,


  • Permanently controls Suspended Algae (green water).
  • Clears Garden Ponds in 5 Days! (when used with a Pond Filter).
  • Maintain beautiful water clarity with no maintenance.
  • Compact, durable, easy to install and energy efficient!

Tetra Pond UVCs (Ultra Violet Clarifiers) are available in 4 sizes:

Part #
Max Pond Size(Gallons)
Inlet/Outlet Size
UVC 5 (19523) 660 3/4″ thru 1.25″
UVC 9 (19520)


3/4″ thru 1.25″
UVC 18 (19521)


3/4″ thru 1.25″
UVC 36 (19522)


3/4″ thru 1.25″

A little bit about Tetra Pond GreenFree UV Clarifiers:

  1. Transparent inlet and outlet allows for easy viewing of flow rate and bulb function.
  2. Design of unit allows for full power of UV bulb to be transfered to Algae Bloom (the green in water).
  3. The quartz tube inside the UV fixture is of high clarity.
  4. This unit does come with mounting brackets so it can be mounted to virtually anything, but the unit does not have to be mounted.
  5. Minimum bulb-to-water-jacket distance for efficient water treatment.
  6. The power cable is waterproof.

Additional information

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