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post #3 of (permalink) Old 11-25-2009, 05:01 AM
Algae Grower
chaosmaximus's Avatar
Join Date: Sep 2009
Location: boston
Posts: 108
If you know what you are looking for and find things like water pennies (think thats right) or similar you can be assured of a healthy creek, but barring that its hard to say. You might need to be concerned with oil or other pollution depending on where you get them.

Boiling does seem safest and I have not really seen freshwater communities which are like the full reefs which try to do the whole ecosystem. I assume there is a reason.
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