Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Saltwater rocks in a freshwater aquarium (

Lex Luthor 01-05-2009 02:57 PM

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?

aunt kymmie 01-05-2009 06:17 PM

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.

NickJonasLover 01-05-2009 06:22 PM

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

Lex Luthor 01-06-2009 04:24 AM

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...

Lupin 01-06-2009 04:37 AM

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.

aunt kymmie 01-06-2009 10:50 AM

How many gallons is your tank??

thespiff 01-06-2009 02:44 PM

Haha kymmie you know that whatever his answer is it will be too small for 4 large goldfish :P

aunt kymmie 01-06-2009 02:52 PM

I know, I know. I was hoping to hear that he had 36 gl per goldfish...:|

daisycutter 01-06-2009 03:51 PM

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

Lex Luthor 01-06-2009 04:38 PM

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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