Want to build a slate wall to plant in is this safe? - The Planted Tank Forum
 
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post #1 of 14 (permalink) Old 03-30-2004, 12:07 AM Thread Starter
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I want to make a small wall out of slate and then dump more gravel inside the wall fromed from slate and then on 2 sides glass to make a higher part for planting...

I am wondering what slate do I use, just regular slate tile like this http://www.lowes.com/lkn?action=prod...813-752201000C ?

Is that slate safe
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post #2 of 14 (permalink) Old 03-30-2004, 12:36 AM
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Well for one.. that isnt slate.. its Ceramic. I am not sure if Cermic tiles are safe for use in aquarium, or what chemicals were used to dye them.

If you want to use slate go to your local aggregate outlet (gravel marts, landscaping supply places) and look there. Usually slate can be found for pretty cheap.

Buy a little bit.. and soak it in a bucket of water. See if the parameters change. Slate is sedentary rock and can often contain other minerals as well so you want to test it before you use it.


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post #3 of 14 (permalink) Old 03-30-2004, 02:29 AM
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I think you mean sedimentary. Slate is sedimentary rock, and it shouldnt be calcareous.
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post #4 of 14 (permalink) Old 03-30-2004, 02:34 AM Thread Starter
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So is slate or Sedimentary rock ok to put straight in the tnak or should I soak in a bucket and see if the water parameters change, or is there anything else to make a wall out of?
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post #5 of 14 (permalink) Old 03-30-2004, 01:09 PM
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1. Slate is NOT a sedimentary rock, it's metamorphic - http://www.gpc.peachnet.edu/~pgore/E...hic-notes.html
2. Yes, slate is fine in the aquarium, but rinse it well before adding to the tank.
3. Yes, slate is fine to use as a retaining wall.
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post #6 of 14 (permalink) Old 03-30-2004, 02:05 PM
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Shale/mudstone/siltstone are the sedementary precursors to slate.

In the United States there are quarries in several eastern states from Georgia to Maine but principally in Vermont, northeastern New York (sole source of red slate), and Pennsylvania.
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post #7 of 14 (permalink) Old 03-30-2004, 02:10 PM
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but it IS sedentary.

i do not recommend using NON-sedentary rocks
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post #8 of 14 (permalink) Old 03-30-2004, 03:30 PM
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It sure as heck is sedentary, im positive its not moving of its own accord.
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post #9 of 14 (permalink) Old 03-30-2004, 03:34 PM Thread Starter
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So slate is a metamorphic rock and all slate is safe to use in aquirum by washing it off first? Should I boil it first?

Also what other products can be used for making a wall in an aquarium that would be sfae to use in a fish aqaurium.
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post #10 of 14 (permalink) Old 03-30-2004, 04:39 PM
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Quote:
Originally Posted by Aquaman
I think you mean sedimentary. Slate is sedimentary rock, and it shouldnt be calcareous.
That is what I meant.. lol... It was a long day ;-)

Slate "shouldn't" be, but it sometimes can contain other minerals that are. I have a few pieces that are still somewhat layered, close to shale that contained soemthing that raised Ph quite a bit.


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post #11 of 14 (permalink) Old 03-30-2004, 05:41 PM
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Years ago, almost all tanks were routinely made with slate bottoms.
If you use stuff that has been outside in the dirt or buy it and are unsure of it's cleanliness, I would boil it and it should be fine in your tank.

Len

Regards,
Len

HAVE DISCS - WILL TRAVEL
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post #12 of 14 (permalink) Old 03-30-2004, 07:33 PM
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GUYS!!!!

As it was said in the post earlier, the word is sedimentary. Rocks are sedimentary! Momotaro is sedentary!!

MIke

[SIGPIC][/SIGPIC]
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post #13 of 14 (permalink) Old 04-01-2004, 11:59 PM
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Sorry guys...That is real slate. I work at lowes amd we carry slate tiles in 6x6 or 12 x 12. That item is a true 6 x 6 piece of slate.
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post #14 of 14 (permalink) Old 04-02-2004, 12:03 AM
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oops I misread the item number but email me if you want the correct item number for the 12 x 12 or 6 x 6 slate...Any Lowes store can get it.
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