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#1
01-30-2009, 05:21 AM
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Uhh, interesting. I would like to say they do not break down, but I can see them possibly releasing chemicals into the water, so I guess they might to a certain degree. Yah I would not leave them in there long-term, but for a short while probably would do no harm.
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#2
01-30-2009, 05:25 AM
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if you leave those plastic bags in your tank they might begin to biodegrade in a few thousand years but then you and i wouldn't probably worry too much when that happens.
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#3
01-30-2009, 06:39 AM
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flexible plastics do release some nasty chemicals into water, even more in saltwater and even more in warm saltwater. That said, unless you never do water changes and your sump is full of the things, the amount released will be negligible. they will not decompose any faster than the silicone your tank is stuck together with; estimates range from 20-1000 years. I still wouldn't leave them in there indefinitely
im also curious. what are you using them for?
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