Coloring white cement(for frag plugs)
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Myka
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Powdered carbon? Not sure if it would wash off...
I was experimenting with white clay to make porcelain frag tiles. The pottery lady told me carbon was an option to color it. I never got to trying it though.
I was experimenting with white clay to make porcelain frag tiles. The pottery lady told me carbon was an option to color it. I never got to trying it though.
Swip
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Doesn't carbon dust increase the chance of HLLE? http://www.advancedaquarist.com/blog/activated-carbon-affirmed-as-causative-agent-for-hlle-disease
What about the standart cement pigments made out of iron oxide, would they be safe to use?
What about the standart cement pigments made out of iron oxide, would they be safe to use?
Myka
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That carbon dust issue refers to it free-floating in the water. Assuming you're going to be curing the plugs, that shouldn't be an issue. I'm just not sure if it would be rich enough. I know there are some black sand-type plugs out there, but I think they use an acrylic for color. You could always send them an email and ask what's in it - maybe vaguely refer to worrying about ingredients rather than saying you want to do it yourself.
Randy Holmes-Farley
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I'd mix in some fine carbon black and rinse the done frag base free of any solids.
Randy Holmes-Farley
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Iron may also work, but it might turn rust colored on the surface rather than black.
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Tried carbon dust yesterday. It makes the plugs more gray than black. But maybe the dust just wasn't fine enough.
Going to try iron oxide next week. This won't make my iron levels get too high or harm anything, right?
Going to try iron oxide next week. This won't make my iron levels get too high or harm anything, right?
Randy Holmes-Farley
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If you rinse it well, it shouldn't release as much iron as GFO.
Nothing will make it really black as there are white solids in cement that will also show through.
Nothing will make it really black as there are white solids in cement that will also show through.
