Saltwater rocks in a freshwater aquarium - Tropical Fish Keeping - Aquarium fish care and resources

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post #1 of 15 Old 01-05-2009, 02:57 PM Thread Starter
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Saltwater rocks in a freshwater aquarium

I got some rocks recently from a rocky beach and was thinking about putting 1 or 2 of the nicer ones in my aquarium.

Does the fact they have been in salt water make them not advisable to use in a freshwater aquarium?
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post #2 of 15 Old 01-05-2009, 06:17 PM
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Exactly what type of rocks are they? I wouldn't use them as it will most likely raise your ph. If you're keeping cichlids that might not be such a bad thing but if it was me (and it's not) I wouldn't do it.

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post #3 of 15 Old 01-05-2009, 06:22 PM
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if you got them from the beach it would not be good to put it into your tank because it could give off the wrong kind of minerals
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post #4 of 15 Old 01-06-2009, 04:24 AM Thread Starter
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ok thanks...

I got 4 large gold fish and they are doing well after a long journey after moving house so I want to keep it that way...
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post #5 of 15 Old 01-06-2009, 04:37 AM
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Limestone? Live rocks? Most rocks have live microorganisms in them. Your ammonia will increase if they die from the wrong specific gravity. Your goldfish do not require rocks in their tanks.

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post #6 of 15 Old 01-06-2009, 10:50 AM
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How many gallons is your tank??

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post #7 of 15 Old 01-06-2009, 02:44 PM
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Haha kymmie you know that whatever his answer is it will be too small for 4 large goldfish :P
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post #8 of 15 Old 01-06-2009, 02:52 PM
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I know, I know. I was hoping to hear that he had 36 gl per goldfish...

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post #9 of 15 Old 01-06-2009, 03:51 PM
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depends on the rock type ,any non-porus rock types can be well scrubbed and used eg granite,slate,quartz,flint,basalt
avoid linestone,chalk,coral,mudstone etc

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post #10 of 15 Old 01-06-2009, 04:38 PM Thread Starter
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its a 30litre tank...

I suppose when I mean large goldfish, they are all about 4-5" long

And when am mean rocks, they are actually stones...
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