pea size lava rocks - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 11-10-2012, 07:46 PM Thread Starter
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pea size lava rocks

Is it ok to use for shrimp. I keep Rilis.
thank you in advance,
big o
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post #2 of 6 (permalink) Old 11-10-2012, 09:37 PM Thread Starter
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bump!

anyone?
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post #3 of 6 (permalink) Old 11-10-2012, 10:45 PM
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I also would love to know too...curious if the lava rock raises the PH and hardness of the water too.
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post #4 of 6 (permalink) Old 11-10-2012, 11:09 PM
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As far as I am aware lava rock is inert and completely safe for tanks. I'll leave it for others to chime in as well.

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post #5 of 6 (permalink) Old 11-11-2012, 01:27 PM
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Lava rock is inert. But if you're concerned about it, give it a good rinse and then test it.

If it's for grills and fire pits, it's often treated with chemicals. If it's from a landscaping supply center or big box hardware store? Probably safe and just needs a rinse.


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post #6 of 6 (permalink) Old 11-11-2012, 03:12 PM
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The lava rock I get, from landscape stores, is indeed inert, does not alter any of the aquarium tests I have. It sure needed rinsing though! The dustiest material I have dealt with!
I use the pea sized material in refugium/planted sump/whatever. I grow house plants in it, and pump the aquarium water through it.
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