JohnT, you caught me. I checked the bleach and it is 6%, not 5.25% as I said. Maxima mea culpa. I like the way you boiled down the equation to remove water and lye.

Now, Carl and Evan, if you would please tell me more about carboys. Warning: newbie questions dead ahead. What kind of places sell carboys? It contains 2.5 gallons of the 'hard stuff' in a returnable container? Is it reasonably safe to store a carboy in a hot garage? The way my pool is ripping through chlorine, it sounds these are the way to go.

Cheers from the Sierra Foothills,
Paul

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We may not pay Satan reverence, for that would be indiscreet, but we can at least respect his talents.
Mark Twain