Is egg crate necessary for lava rock? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 09-05-2013, 04:10 AM Thread Starter
Algae Grower
 
Join Date: Jun 2013
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Is egg crate necessary for lava rock?

Hi,

As per title, is egg crate necessary for lava rock? Thank you.
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post #2 of 5 (permalink) Old 09-05-2013, 05:26 AM
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Lava rock as a substrate?
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post #3 of 5 (permalink) Old 09-05-2013, 01:36 PM
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I have quite a bit of lava rock in my 20g and no egg crate. Lava rock is really not heavy so you can simply pile it up as you like.

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post #4 of 5 (permalink) Old 09-05-2013, 01:38 PM
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Egg crate is used more as a holder for the lava rock if you want to place it first then lay your "substrate". Not needed if placing the lava rock on top of your substrate.
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post #5 of 5 (permalink) Old 09-05-2013, 09:47 PM Thread Starter
Algae Grower
 
Join Date: Jun 2013
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Thanks all! I intend to put a couple lava rocks (not piling them up) on top of a thin layer of substrate. If I use egg crate then I would need more substrate to cover it, hence the question. Is it ok to use Lava rocks in a goldfish tank, btw?
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