Direct from the USA Manufacturer Made in USA POOLCHECK COPPER 3 IN 1 CONTAINS 1 BOTTLE OF 50 TESTS MEASURING THE TOTAL ALKALINITY, COPPER, AND PH WITHIN A WATER SAMPLE. With 3 tests combined into one strip, testing is super easy and efficient. No confusing testing with the new Pool Check COPPER 3 in 1. Just dip and read results in seconds. Test for Total Alkalinity, Copper, and pH all at the same time.Using our patented aperture design, Copper test strips allow the aqueous solution to pass back-and-forth through the impregnated chemical membrane. This unique design allows for the lowest sensitivity possible on a test strip. Coupled with this design is another unique feature, they contain 1/100th the amount of chemical compared to most commonly used test strips. PATENTED aperture (window) technology is more sensitive and more accurate than traditional test strips. More color blocks result in better accuracy. The pH indicator provides easy color matching for (YELLOW/GREEN/BLUE VS ORANGE/RED)improved accuracy and precision. 5 second dip time with motion allows lower detection levels and even color development NO COLOR BLEEDING EASY TO READ COLORS MADE IN THE USA
