PoolLab® 1.0 - Photometer PoolLab® 1.0 is a triple wavelength photometer for professional water analysis of private pools and spas. Built but changeable cuvette allows quick water sampling by just dipping in the IP68 waterproof PoolLab®. PoolLab® with its 6 buttons is designed for instant access to the parameters installed, which are: pH, Chlorine (free/combined/total), Alkalinity (Acid Capacit..