Chlorine Shortage Could Impact Millions of Pools This Summer--Here's What You Should Know

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25. The amount of Clorox needed for this is fairly high..

Remember the Clorox shortage from last year???

The reason for this recommendation is that clorox is a less stable form of chlorine. It doesn't have some of the issues that dichlor and trichlor have. Dichlor and trichlor last longer, but over time, they build up in the pool water and bind to other molecules in the water and over extended periods of time lose their effectiveness. Adding more dichlor eventually stops working (It's a buffer system thing)

Chlorine bleach breaks down fairly quickly.

I had to drain my pool after using dichlor for several years.

I had a 10 foot diameter, 3 foot deep pool and that thing used almost a bottle of clorox every night!