A UV Clarifier can do wonders when it comes to keeping your pond water algae free. Once in a while parts break or stop working. A dirty or cracked Quartz Sleeve will cause your UV not work properly. So a replacement may be required.
The replacement Quartz Sleeve for the Laguna Pressure-Flo 700 and Laguna Pressure-Flo 1400 will help in keeping the UV Clarifier working properly.