Jet Cleaning tool with high-pressure water blast for perforations. This tool is great at removing filter cake from behind the slotted screen section. Also is good for scale buildup on you perforated screen slots. With a Cotey-Chemical brush and chlorination or bromination we can reduce bacteria to safe levels. Bromine is a good alternative to chlorine as it requires less PH balancing. Bromine is also more stable at warmer temperatures than Chlorine is. See video below for an example of a jet cleaning and chlorination of a water well.