What Is the Difference Between Bleach & Liquid Pool Shock?
Common household bleach and purpose-manufactured liquid chlorine (sometimes known as shock) share the same active ingredient. Both sanitizers can be used to effectively treat and maintain swimming pools. Does this Spark an idea?
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Household Liquid Bleach
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Common household liquid bleach has the chemical formula NaClO as its active ingredient/sanitizer (sodium hypochlorite) and has a 6 percent concentration of sanitizer by volume.
Pool-branded liquid chlorine
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The liquid chlorine found in pool stores is similar. Its active chemical agent is the same as in common bleach (NaClO), but in a higher concentration of approximately 12 percent by volume.
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Granular shock
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Granulated shock is calcium hypochlorite and has the chemical compound Ca(OH)2. It has stronger concentration of chlorine per quantity; 1 pound treats about 10,000 gallons. It is typically used on a weekly basis
Super-chlorination
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Both forms of liquid sanitizer--household bleach or liquid chlorine--are effective sanitizers and, in very large quantities, can also be used for treating green water that has bloomed with algae.
Considerations
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It is thought that bleach will be less expensive to use. While the active ingredient in both liquid sanitizers is the same, more bleach must be used to sanitize a pool due to the lower concentration of NaClO.
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