Taylor's Professional Complete kit provides the pool professional a portable lab which can be used any time. Slide comparator with liquid color standards, allow precise determinations of pH, sanitizer, iron and copper levels, while simple drop titrations are used for acid and base demand, total alkalinity and hardness analyses. Kit includes the booklet "Pool & Spa Chemistry, a Testing & Treatment Guide with Tables" and the Watergram, a slide wheel which correlates pH, temperature, calcium hardness and total alkalinity for balanced water.