Ships today if ordered in the next:
Same day shipping if ordered by 3 P.M (EST) Monday - Friday
Use the AquaChek Biguanide 3-Way Pool and Spa test strips to test in pools using sanitizers such as Baquacil and SoftSwim. These strips test for biguanide, total alkalinity, and pH levels. Simply dip and read the results in 30 seconds. 25 strips per bottle.