The pool finish will start to hydrate and cure immediately after mixing. This time period is when a finish is most susceptible to staining, scaling and discoloration. Proper start-up procedures including timely brushing and constant monitoring and adjusting of the pool water is mandatory. The following recommended start-up will provide best results. Brushing and monitoring chemical will be mandatory by the pool owner or a trained pool technician during the service life of any pool surface. NEVER MIX CHEMICALS–ALWAYS ADD CHEMICALS TO WATER, NEVER WATER TO CHEMICALS.