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Old 01/11/2008, 12:48 PM
ACB ACB is offline
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Quartz based sand

is it ok for me to use a quartz based sand in my tank?
Old 01/11/2008, 01:52 PM
Agu Agu is offline
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yes and no.

It makes a perfectly acceptable substrate.

However it's a bit coarse and sharp edged for worms and other critters that live in the sand. Also some people think a calcium based substrate helps buffer your water but I'm not sure that's a proven fact.
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Old 01/11/2008, 02:02 PM
greenbean36191 greenbean36191 is offline
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The animals in the sand don't care about the edges, but if you have an acrylic tank they can be a problem. Besides looks there's really no other reason clean quartz sand is a problem.
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Old 01/11/2008, 03:06 PM
thor32766 thor32766 is offline
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quite a few people use it, as mentioned the only thing is it wont buffer and some creatures dont like to live in it. otherwise your free to use it.
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Old 01/11/2008, 04:11 PM
AquaKnight407 AquaKnight407 is offline
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What's the difference between quartz based and silica based sand? (Or is there one?)
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Old 01/11/2008, 04:31 PM
ACB ACB is offline
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thanks, that helps alot. I was mainly looking for a better understanding on its buffering properties (if there is any)
Old 01/11/2008, 08:19 PM
ksouers ksouers is offline
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Originally posted by AquaKnight407
What's the difference between quartz based and silica based sand? (Or is there one?)
It's the same thing. Quartz is silica.
Old 01/11/2008, 08:28 PM
poppin_fresh poppin_fresh is offline
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Calcium based sand does not see PH low enough to buffer anything in a tank. If it did, it would dissolve and we would have to replenish a calcium reactor.

I'm no geologist, but I believe that most of the worlds sea bottom is actually built on quartz based substrate. Can any one else confirm this?
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Old 01/11/2008, 08:33 PM
Joshsmit56001 Joshsmit56001 is offline
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I used silica based sand basting sand in my old 30 gallon. I never had any problems accept that it scratched my glass if it got stuck under my cleaning magnet.

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