You can go online at Costco.com and apply for a Costco Membership there by adding it to your shopping cart if you are shopping for the first time. Your membership card will be mailed to you within 7-10 days but you can actually shop at the online store immediately.
The three most common chlorine-containing substances used in water treatment are chlorine gas, sodium hypochlorite, and calcium hypochlorite.
Water utilities across the country are changing the way they treat our drinking water. Theyâre switching from chlorine, the primary disinfectant used in drinking water systems for over a hundred years, to the alternative disinfectant chloramine at an alarming rate.