Underground air bubble cave - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 12-05-2016, 05:38 AM Thread Starter
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Underground air bubble cave

I was looking to get a red clawed crab with my guppies and mollies and i had one before . This time I'm going full planted with sand substrate. My thought was if it had a cave underwater , with a glass dome with a small air pump pumping air into it . Kind of like an underground land cave.(I'm not sure what the correct term is for it ) it wouldn't have the need to climb out of the tank. But wouldn't the air hose give him access to climbing out ? This Is something I was wondering about for quite some time. Any ideas?
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post #2 of 5 (permalink) Old 12-11-2016, 04:28 PM
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This sounds like an iffy experiment. If you can't find anyone who has ever tried this before, I suggest you only do this in a tank where the crab also has access to a conventional land area, just in case.
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post #3 of 5 (permalink) Old 12-26-2016, 03:47 AM
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I keep red claw crabs and have thought of doing this same thing before, but haven't had the chance. I found a post about a guy who tried it on monsterfishkeepers once but I don't think he ended up succeeding, he probably could have but other unrelated problems came up I think.

One problem he has was when pumping the fresh air into the cave, it would eventually overflow and come out in large bubbles splashing everywhere and making noise. I think you could fix this problem by using another air tube and making a sort of air escape where the bubbles over flow into, and are released by the air tube but it won't drain all the air from the cave.

I hadn't thought about the crabs escaping by the airline, but no crabs have escaped my tanks yet and I have airline tubes, heater wires, and filter tubes all coming in and out of the tank. You just need a tight lid and you'll be fine in that area.

I think the hardest thing will be making something that is airtight and also strong enough to resist the bouyancy of that much air pushing up on it all the time
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post #4 of 5 (permalink) Old 12-27-2016, 03:53 PM
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The cave would need a domed roof like an inverted bowl so that air gets trapped there and doesn't 'roll off'.
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post #5 of 5 (permalink) Old 12-27-2016, 04:13 PM
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Quote:
Originally Posted by Copycatt7 View Post
I was looking to get a red clawed crab with my guppies and mollies and i had one before . This time I'm going full planted with sand substrate. My thought was if it had a cave underwater , with a glass dome with a small air pump pumping air into it . Kind of like an underground land cave.(I'm not sure what the correct term is for it ) it wouldn't have the need to climb out of the tank. But wouldn't the air hose give him access to climbing out ? This Is something I was wondering about for quite some time. Any ideas?

Like this? check crabhomes.com ,also they are available on Amazon and Googling "crab habitat in aquarium" brought up some cool images

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