Can you have bottom dwellers with a black sand substrate?

Raja Jago

Feeder Fish
Jul 8, 2014
2
0
0
usa
Well, I heard this insane theory the other day about how you can't have any kind of black sand in your aquarium ( Flourite bacl, Tahitan Moon Sand) with bottom dwellers. People have said it contains sand with sharper edges and can be harmful to any bottom dweller ( Pleco. Otto, Cory catfish). Is this true, I have heard many people say it is fine, and they do it, and then I hear people say don't because it might hurt them. Can anyone tell me the truth, I think it isn't true but still won't to know what other people think...


 

pops

Alligator Gar
MFK Member
Nov 24, 2013
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PUHUCBLMX2

Exodon
MFK Member
Dec 25, 2013
162
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Costa Rica
Color is not important, however type of sand might be. black granite sand will have similar properties to white granite, or any other color for that matter (granite grinds smooth, that's why Indians didn't use it for arrowheads). However something like obsidian might very well be a bad choice. In closing, color not important, material/mineral, might be.
 

Dieselhybrid

Bronze Tier VIP
MFK Member
Mar 31, 2010
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Black 3 mm quartz in a few tanks over here. No issues

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