Need some help with black gravel - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 05-21-2013, 05:06 PM Thread Starter
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Question Need some help with black gravel

I picked up 2 bags of some black gravel ,the brand is Estes spectrastone premium aquarium gravel,it also says up to 30% plant based green coating ,i should have read the instructions it says not to boil scrub or bleach ,it says to put straight into tank .I lightly swirled the gravel in bucket of water and noticed that some of the gravel has little white spots where i believe some of the black has come off ,will this have any negative effect on fish or water parameters,the tank currently has no fish i am fishless cycling.
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post #2 of 7 (permalink) Old 05-21-2013, 05:16 PM Thread Starter
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Here is a pic you can see the little white specs in the gravel that i am talking about.
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post #3 of 7 (permalink) Old 05-21-2013, 07:01 PM
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Looks like you have some coated gravel. I don't think it will hurt anything, but just a money grabing scam by coating it to make it looks better.
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post #4 of 7 (permalink) Old 05-21-2013, 07:19 PM Thread Starter
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Definitely coated this is what it says, products are clear coated, using 100% environmentally- friendly high gloss resin. This state of the art process makes their gravel virtually dust free, and provides the best possible appearance and ease of use in your aquarium.
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post #5 of 7 (permalink) Old 05-21-2013, 07:24 PM
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Quote:
Originally Posted by 914joe View Post
provides the best possible appearance
If the color would stay on...

About all you can do with it is to either take out the chipped ones as they work their way to the surface, or push them back down to hide them.
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post #6 of 7 (permalink) Old 05-21-2013, 07:41 PM Thread Starter
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Okay so i guess then it's safe to use as is,just not aesthetically pleasing to the eye .
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post #7 of 7 (permalink) Old 05-21-2013, 08:42 PM
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Yeah, as everyone stated above, it's just epoxy-coated gravel, that's how they get all the colors. (sometimes they even coat the 'natural' stuff as well.

I wouldn't worry about it too much, excessive stirring/agitation will chip some off, and some may just flake off over time, but it will probably just look like a handful of normal pebbles/grains mixed in.

I don't really know much about the production/synthesis/whatever of epoxy resins, but I've seen a couple advertising that they were plant-based (I'm assuming as an alternative to petroleum-based).
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