[Coral-List] Cement blocks harmful?

[Bill Allison]

This may be of interest:
National Science Foundation. "How Solid Is Concrete's Carbon Footprint?."
ScienceDaily. ScienceDaily, 24 May 2009. <
www.sciencedaily.com/releases/2009/05/090518121000.htm>

On Tue, Aug 1, 2017 at 1:56 AM, Philippe Sanchez <pipobs at gmail.com> wrote:

> Hi all,
>
> My company needs to put up a few signposts that will hold information on
> local species. Some of them will be inside the mangrove and in the water,
> and I was wondering if this would be harmful or if the damage done is
> negligible.
>
> I know I read about coral reef balls using a specific cement mix that had
> neutral pH, but that is aimed at having corals grow on it. Would this be
> necessary in a mangrove creek?
>
> If needed, where can I find the composition for this cement mixture?
>
> Thanks in advance!
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> Coral-List at coral.aoml.noaa.gov
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>



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