A device designed to measure the level of cupric ions in swimming pool water, frequently employing a colorimetric process for determining concentration. This is important because copper, while sometimes introduced as an algaecide, can stain pool surfaces if levels become excessive. The kit typically contains reagents that react with copper, producing a color change proportional to the copper concentration, alongside a comparator for assessment.
Maintaining proper water balance in a pool is crucial for bather safety and equipment longevity. Monitoring the quantity of this metal is vital in pools treated with copper-based algaecides or those that use copper ionization systems for sanitization. Too much of it can lead to unpleasant aesthetic issues and potential health problems. Historical applications have included its use in conjunction with chlorine or bromine to provide a multi-faceted sanitization approach.