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Posted by Oren on March 6, 2008, 4:36 pm
wrote:
>Walter R. wrote:
>
>>The 4' wide concrete walkway to my front door has become stained and
>>unsightly. Part algae, part burn marks from burning palm seeds dropping on
>>it, part just a discoloration of unknown origin.
>>
>>If I use Clorox bleach on the concrete, that would be as starting point to
>>clean it up. My question is, will chlorine harm the concrete?
>>
>>
>>
>Burning palm seeds?
Sure. CA wildfires.
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