river rocks ? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 12-29-2012, 09:16 AM Thread Starter
river rocks ?

i bought some polished river rocks from craft store. was going to put some in my tank just now & i read tag it said not to use in aquariums. can i use them? i thought i read on here that different people have used things from craft stores with no ill effect.
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post #2 of 4 Old 12-29-2012, 04:22 PM
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I wouldn't use anything from a craft store, and especially if the product warns of using it in a fish tank. These rocks may be coated with something toxic.

River rock that you collect in a flowing stream is usually safe, or you can buy them from a landscape or quarry place, provided they are untreated in any way. I have some of these in a couple tanks.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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LADY K (12-29-2012)
post #3 of 4 Old 12-29-2012, 04:42 PM
What he said. Many things can go either way, but when something specifically says not for aquarium use, it's usually for a reason. Many coatings that make things look polished or shiny do not hold up in water, dissolve and can pollute the water.

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post #4 of 4 Old 12-29-2012, 05:15 PM Thread Starter
i will not use them. will see if i can return them thanks
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