Bob Lowry Explains: Cold Weather Pool Care Made Simple

Cold water changes everything. As temperatures slide, algae take a back seat, chlorine demand dips, and the Langelier Saturation Index tilts toward corrosive—quiet shifts that can quietly chew through plaster and equipment if you are not paying attention. We sit down with industry legend Bob Lowry to map a simple, reliable winter playbook that protects the vessel, extends gear life, and saves money when demand is low. We start with the biology: algae reproduction slows around 55°F, which mea...