Why buy an Ultra Violet Clarifier (UVC)? - A UVC gives your pond clear water.
We sell two brands - Absolute Ultra Clear Pond UVC and Resun UVC.
What does a UVC achieve for a pond?
It will guarantee clear water winter & summer provided it is maintained & within specification for the pond's climatic & fish loading stress. It will not filter or biologically treat the pond water. The resulting clear water will allow any biological filter to work more efficiently as it will not choke with green suspended algae.
How does a UVC work?
The pond pump pushes water past the lamp's ultra violet rays within the UVC barrel. The water has a specified dwell time exposed to this UV radiation. This bleaches any green suspended algae spores, settling them to the pond floor. It ensures fresh, clean and clear water, disinfects water efficiently and safely and protects swimming pools & ponds from germs.
Why are lamps and glass sleeves expensive ?
The lamps are a form of fluorescent light. In quality UVC' units, the lamp's glass & the glass sleeve that covers the lamp are made from expensive quartz, not glass or plastic. This then allows maximum UV radiation to pass into the passing water.
What is the most efficient design?
The more efficient models allow the water to vortex around the lamp, rather than just flow straight through. This gives a longer dwell time exposed to the lamp meaning a lower wattage requirement of the lamp. The reflective surface of polished stainless steel barrel designs increases efficiency but also cost.
What are some important considerations?
The lamp must be changed every 8000hrs (12 months continuous use). At this stage, the lamp may still be glowing but the UV light emission will be greatly reduced.
In sub-tropical area and tropical areas, lamp change could be every 6 months
UV radiation of this type is very dangerous to your eyes & skin. Any bench testing requires you covering the lamp.
You will need to replace the unit after years of use when the internal components have deteriorated from the continuous UV-C radiation.