UV Sterilization is the safest and most effective method of preventing and/or eliminating green water problems in your pond. About UV Sterilization Most effective when run 24/7. Most effective if bulb is new, or replaced regularly (at least every 12 months). Effectiveness can be hindered if the water passes to fast past the bulb. The effectiveness of UV light can be hindered if the quartz sleeve becomes?encrusted with mineral deposits. Should never be run when treating with any medications. UV can also alter the structure of some dissolved chemical compounds. Always unplug the unit when working on it to prevent possible shock if it breaks or gets wet.
