The Taylor K-1004 Trouble Shooter Test Kit is an essential tool for maintaining pool and spa water quality. With its 6-way testing capabilities, it allows you to easily monitor and balance Free and Total Chlorine, Bromine, pH, Acid/Base Demand, and Alkalinity levels. The hard-shell case and easy-to-read comparator make testing a breeze, while the included 3/4 oz reagents ensure accurate results every time.