QUICK & EASY: Submerge pool water test strip under water for 2s, take it out and hold the strip horizontally for about 15s, then match up the colors of the strip to the back of the bottle to get your readings, only take 17s
6 IN 1 SWIMMING POOL TEST STRIPS: Upgrade test strips for pools can detect 6 chemicals at the same time, including PH, Total Chlorine, Free Chlorine, Total Alkalinity and Total Hardness.
HARMLESS TO THE HUMAN BODY: maintaining healthy water chemistry in swimming pool or spa .
EXTRA 2 PAIR OF EARPLUGS & WARRANTY: 2 pair reusable silicone earplugs for swimming and shower prevent your ears from infection. 60 Days 100% Return and One Year Warranty.
ECONOMICAL & LONG TERM USE: including 100 PCS(2 Pack Each 50 PCS) hot tub strips strips, seal well with 10 individual packages in two bottle, no worry about accidentally getting other strips wet .
