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 Obsidian Sand?

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micahsutton
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PostSubject: Obsidian Sand?   11/25/2009, 2:00 pm

So i have been needing to switch to sand and i am gonna do it this weekend. I am doing black sand so i thought i only had two choices. Eco-complete substrate and Taihitian moon black sand.
But i just found a LFS that sells bulk sand, .45/lb. Its obsidian sand. I have never heard of it.
Pro/cons??? Any one use this?
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KMX
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PostSubject: Re: Obsidian Sand?   11/25/2009, 2:05 pm

I just did some google action... From what I can read it has been used as aquarium substrate and no one has reported any problems. Looks like this sand is found mainly in the NW (your area) A alot is found at Yellow Stone Nation Park.

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micahsutton
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PostSubject: Re: Obsidian Sand?   11/25/2009, 2:09 pm

lol ya you probably read the same page i read. The only thing i worry about is they says its sharp. Would that be ok for peacocks?
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KMX
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PostSubject: Re: Obsidian Sand?   11/25/2009, 2:18 pm

Wouldnt see why not.

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micahsutton
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PostSubject: Re: Obsidian Sand?   11/25/2009, 2:46 pm

anybody use it?
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PostSubject: Re: Obsidian Sand?   11/25/2009, 5:56 pm

How sharp is it?
Cichlids pick sand up in their mouths and
spit it back out so ya might want to exam'n it to
see how sharp it actually is.
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PostSubject: Re: Obsidian Sand?   11/25/2009, 6:05 pm

Well I just look'd it up and found this quote:

Obsidian is a natural byproduct of volcanic eruptions and it was prized
by prehistoric societies the world over for its shiny black, orange,
gray or green beauty, its sharp edges, and its workability.


It also said that it's a natural glass.
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Holey Rock of Texas
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PostSubject: Re: Obsidian Sand?   11/25/2009, 7:15 pm

all sand is tango

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KMX
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PostSubject: Re: Obsidian Sand?   11/25/2009, 11:21 pm

From what I have looked up and read. It's fine to use with freshwater fish.

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PostSubject: Re: Obsidian Sand?   11/25/2009, 11:34 pm

Holey Rock of Texas wrote:
all sand is tango

No, glass is man-made from sand.
This stuff is natural glass made from the volcano.

People use sand to make glass,
this stuff is already glass.
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Holey Rock of Texas
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PostSubject: Re: Obsidian Sand?   11/26/2009, 2:21 am

SiO2 same

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Holey Rock of Texas
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PostSubject: Re: Obsidian Sand?   11/26/2009, 2:24 am

What are the chemical properties of glass?
In: Math, Chemistry [Edit categories]

Liquid Chemical Packaging
Full service bottle filling, compounding. 800-528-0334
kafkointl.com


[Improve]


Answer
Glass is almost completely made of silica (silicon dioxide), the naturally occuring form of the element silicon. This is basically the same substance as quartz and common sand. Silica is the most abundant substance on Earth and is paradoxically a liquid.

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PostSubject: Re: Obsidian Sand?   11/26/2009, 4:15 pm

HRT, I'm no rocket scientist.
That just went way over my head.
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micahsutton
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PostSubject: Re: Obsidian Sand?   12/15/2009, 10:31 pm

Just wanted to update everyone, i bought the sand 2 weeks ago and made the switch. The Peacocks couldnt be happier. It is not sharp at all, same as play sand. I love the way it looks and the fish live to graze through it. So i would say it is A-ok for fish.
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KMX
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PostSubject: Re: Obsidian Sand?   12/15/2009, 10:33 pm

Very nice. Some pics!

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dano
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PostSubject: Re: Obsidian Sand?   12/15/2009, 11:43 pm

Rooting or burrowing fish like cory cats, loaches ect can damage their barbels.
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PostSubject: Re: Obsidian Sand?   12/16/2009, 8:22 am

Just keep a good eye on your fish........ Crushed obsidian is very very sharp, I have the scars to prove it.
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micahsutton
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Favorite Fish: : Golden Nugget Pleco, Lemon Jake, Red Top Lwanda, Aulonocara Baenschi, Otopharynx Lithobates, and Frontosa's.

PostSubject: Re: Obsidian Sand?   12/16/2009, 11:18 am

Fern wrote:
Just keep a good eye on your fish........ Crushed obsidian is very very sharp, I have the scars to prove it.

I almost wonder if the place the LFS bought it from was mis informed. Because i have tried to cut myself with this just to test it out because i have a cory and a golden nugget that i was worried about. I couldn't get it to even scrape me. Nothing whatsoever. If felt like beach sand. I mean you could tell it could be sharp because of how hard it was but i couldn't find one hard granule at all.
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philuponthepho
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PostSubject: Re: Obsidian Sand?   12/16/2009, 11:25 am

Wow, thats awesome then! What color is the sand?
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micahsutton
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PostSubject: Re: Obsidian Sand?   12/16/2009, 12:26 pm

Black as black!
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philuponthepho
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PostSubject: Re: Obsidian Sand?   12/16/2009, 12:47 pm

BADA$$!!!! The only source of getting black sand is from holey rock, otherwise, I'm stuck with pulverized limestone :( cry
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micahsutton
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Favorite Fish: : Golden Nugget Pleco, Lemon Jake, Red Top Lwanda, Aulonocara Baenschi, Otopharynx Lithobates, and Frontosa's.

PostSubject: Re: Obsidian Sand?   12/16/2009, 1:42 pm

Ya i know what you mean i had a hard time finding it around here too. And obviously shipping is expensive when you are shipping 80 lbs of sand! lol. I will try to get some pics up as soon as i can.
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micahsutton
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Favorite Fish: : Golden Nugget Pleco, Lemon Jake, Red Top Lwanda, Aulonocara Baenschi, Otopharynx Lithobates, and Frontosa's.

PostSubject: Re: Obsidian Sand?   12/17/2009, 2:08 pm

KMX wrote:
Very nice. Some pics!



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philuponthepho
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PostSubject: Re: Obsidian Sand?   12/17/2009, 2:10 pm

Dang, thats a nice thick layer of sand you got there. LUCKY! cursing
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CSnyder00
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PostSubject: Re: Obsidian Sand?   12/17/2009, 2:11 pm

Make sure you keep it stirred! Also, keep an eye on your bottom dwellers like Fern said. Don't want barbel erosion. Bad stuff.
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