Right now, you can order a Free Swimming Pool Test Kit to measure the chlorine and proper pH of pool water (or a public pool’s water), in order to make sure that the water you are swimming in is safe for you!
From the website: A properly maintained pool helps prevent illness and keeps swimmers healthy. The U.S. Centers for Disease Control and Prevention (CDC) recommends swimmers use portable test strips to check for adequate chlorine and proper pH of pool water.
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