Usual maintenance: It is recommended to clean the pump at least every two weeks to prolong the service life, otherwise the hair blockage affects the operation Easy cleaning: Disassemble the pump and remove the cap and impeller. Remove all debris from the impeller and clean the impeller well with a cotton swab Quiet Design: Low noise is less than 30db. If the pump is too noisy, please check whether the water volume of the fountain is too low or the pump is blocked Advantages of Use: The water circulating by the pump has the function of keeping the pure water and limit its contamination, increase the oxygen content and avoid the growth of bacteria and the accumulation of dirt Applicable fountains: Compatible with NICREW water fountains