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Geology, Palaeontology & Archaeology / Re: Are any rocks bad for a fish tank?
« on: 13/02/2011 18:12:13 »
I have some more pictures, i collected this lot from the beach. No idea wat so ever what any of them are, hopefully someone can help.
rock 1
rock 2
rock 3
rock 4
rock 5
rock 6
rock 7
rock 8
different view of rock 8
rock 9 - looks like slate??
rock 10
Please can someone identify if these may be safe in an aquarium, and what they are.
Thanks.
rock 1
rock 2
rock 3
rock 4
rock 5
rock 6
rock 7
rock 8
different view of rock 8
rock 9 - looks like slate??
rock 10
Please can someone identify if these may be safe in an aquarium, and what they are.
Thanks.