How Does an Ultraviolet Water Clarifier Work?
The way a UV light works is that a long lamp that emits high ultraviolet rays is inserted into a quartz (glass) tube. The quartz sleeve is then inserted into a housing (most often PVC) and water is pumped through the PVC and over the sleeve. As the water passes over the sleeve the ultraviolet rays from the lamp zap the microscopic, free-flowing algae cells and sterilizes them – thus the name “UV sterilizer”. Choosing the Right UV Choosing the right size UV light for your koi pond or water garden and installing it correctly will make the difference between it working well or not working at all so special attention needs to be taken when evaluating your pond’s UV needs. First you need a quality UV. A housing of either stainless steel or hard PVC is a must. Don’t purchase a UV if it is thin-walled or the connections are not well-made. Though “cheaper” priced UVs may seem to save you money you will pay BIG later for saving a little now. Thin walls crack easily. Poor quality fittings allow
