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Asotnorf

Floating Lava Rock.

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.Hi Guys,

I recently purchased a few large pieces of Lava Rock from a Gold Coast pet store but i cant seem to get them to sink lol.

They have been floating in my tank for the last 3 days with no signs of sinking, Any idea's on how i could get it to sink??

Cheers..

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Hmm I can only think it has a lot of trapped gases inside, try rolling it around or give it a shake I. The water to try and dislodge air bubbles

Edited by Lictoga

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I did try giving it a shake to release any trapped air also drilled a few extra holes but still its floating, Ill give it another day or so see what happens...

Thank you for the help :)

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That "lava rock" looks a lot like Pumice with a hole drilled in it however I have never seen pumice that colour, if it is pumice good luck getting it to sink I picked up some big pieces on the beach here and boiled them in a big pot for an hour and let them cool in the same pot of water with a brick on top to keep them under the water and left them in there for a week they still floated.

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