Algae

Published on April 15th, 2014 | by Henri

Bleach loses potency over time

Q. In your advice about algae on a shingled roof, you mentioned to use fresh Clorox bleach. What do you mean by fresh Clorox bleach? Is that just newly purchased bleach, or is it a type of Clorox bleach?

A. Sorry for the confusion. It means newly purchased Clorox bleach, as it loses potency over time once opened.

Tags: Algae, Bleach

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Bleach loses potency over time

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