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Old 08-20-2007, 11:40 PM   #1
danat86
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Sea shells into the tank? safe?


hey, my friend desperately wants to put some empty sea shells she got on the beach in Florida, into my tank..

safe to do it? not? I know its kinda lame question, but who knows what those shells can store inside themselves.
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Old 08-21-2007, 12:17 AM   #2
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Soak in vinegar and rinse well. Should be fine. You always run a risk and the key is to reduce it as much as possible. Maybe even boil them if you are really nervous.

But I got a bag of shells from the beach and it's what I use to upgrade my hermit crabs homes when needed.
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Old 08-21-2007, 09:22 AM   #3
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I'd boil them!
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Old 08-21-2007, 09:29 AM   #4
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Boil them then no worries!
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Old 08-21-2007, 09:52 AM   #5
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I always read that the answer is no

they create a spot for detritus to build up and your cleanup crew can't get to

now, LR is pourus as well, but I think the amout of bacteria that vrs. the size of the openings is much higher than that of the shells

In short, I was always told no on the shells
even if you boil and soak in vinigear
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Old 08-21-2007, 10:15 AM   #6
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Of course it is a place for detritus to build up, but if you're that concerned about detritus you wouldn't have anything in your aquarium. I've always added them to my tanks, but I usually put them in a pot and bring them up to temperature with the water. It's good to let them boil for a couple minutes and then take them off of the heat. You will run the risk of a place for detritus to build up, but I'm sure its nothing regular water changes won't be able to help.
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Old 08-21-2007, 12:07 PM   #7
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I would say no. they will dissolve over time and will actually put phosphate into your water column as they do. safer not to.
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Old 08-21-2007, 12:38 PM   #8
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I would say no. they will dissolve over time and will actually put phosphate into your water column as they do. safer not to.
How much does calcium carbonate disolve at a pH above 8? I didn't think this would be a concern.
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Old 08-21-2007, 09:13 PM   #9
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oh wow.. never thought you would need to go thru such a process.

great, thanks a lot guys..I guess I would have to wait till I get back to my tank, and see what kind of shells she has and if they are worth it.
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