Quote:
Originally Posted by Aquattro
I think the local plankton would be temperature acclimated and die off at our tropical temps. As I said, a friend of mine used it for a long time on his large tank, taking water from about 100ft offshore, and now that he's moved to artificial salt, his tank is doing much better growth and color wise.
Coupled with the risk of some unknown contaminant, I wouldn't risk it on my display tank.
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This and the fact that the stuff in the water here is made to operate at a much slower pace. If the bacteria are different it might be a totally different ballgame at higher temperatures. It's just a waste if you have to supplement as now the levels may not be balanced easily. Remember that most of the crud and oils are on the surface (why it's good to skim the surface in your aquarium) so you'll basically be taking a whole ocean's junk pile and putting it in your tank.