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Old 02-14-2012, 02:17 AM   #1
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Is this slate safe foe cichlid tank?

Hi I am wanting to build some caves with this slate I have. Just unsure if it is safe due to the silver color to it. I have read some slate is unsafe. Thanks
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Old 02-14-2012, 07:48 AM   #2
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Looks safe to me, I'd say bring them up to a boil, then let cool back down.
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Old 02-18-2012, 08:15 PM   #3
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Yup boil it for a good long time, at least 30min. Before putting it the tank either get a file or use a waste peice of slate to smooth all the sharp edges. I mean all of them or the fish will cut themselves on it.
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Old 02-19-2012, 05:54 PM   #4
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A quick test for anything you arent sure of is to place a few drops of vinegar on the surface. If it bubbles dont put it in the tank. That test isnt 100% sure for everything but will suffice for rock. If it bubbles, it will break down in the tank. real slate is pretty much safe though.
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Old 02-20-2012, 11:11 PM   #5
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Quote:
Originally Posted by Retired_AF
A quick test for anything you arent sure of is to place a few drops of vinegar on the surface. If it bubbles dont put it in the tank. That test isnt 100% sure for everything but will suffice for rock. If it bubbles, it will break down in the tank. real slate is pretty much safe though.
I love this forum, i never knew about that simple test thank you
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Old 02-25-2012, 06:53 PM   #6
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Thank you so much for your replies! I'm still unsure about this particular piece of slate.. After soaking again after breaking it up, I still have residue coming off. I read that slate that has silver and gold color can contain metals that can poison the fish. Guess i will be looking for different slate. Bummer for I have saved this slate for years to use in this tank when I was ready.
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Old 02-26-2012, 11:37 PM   #7
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You also want be careful of rock containing silicate. Tiny glass looking crystals.
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Old 02-27-2012, 07:03 AM   #8
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i have used slate like that for a few years in my fishtank, has had no bad effect, fish seem to love it. if you look at the DIY section, i have recently built a massive slate piece for same slate, works a treat.
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Old 03-02-2012, 03:10 AM   #9
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Originally Posted by rustypleco
i have used slate like that for a few years in my fishtank, has had no bad effect, fish seem to love it. if you look at the DIY section, i have recently built a massive slate piece for same slate, works a treat.
Cool keep up the good work. I used to keep the south American cichlids then east Africans those fish were always rearranging my tank.
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Old 03-02-2012, 09:30 AM   #10
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Originally Posted by Noneck56

Cool keep up the good work. I used to keep the south American cichlids then east Africans those fish were always rearranging my tank.
that's why I went for slate. Bit heavy for themlol
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