Black diamond blasting sand grit size.

cabrerarm

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Ok so I'm about to get a 60 gallon tank from a friend of mine. (Life pro tip. Don't off the wife she'll make you give your tank to your friend) I found the blasting sand for sale at a northern tool but it's medium grit. Will that be too rough for pygmy corys? If it is will pool filter sand be ok for them?

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Bijou88

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Either would work. I have a mix of pfs and 20/40 (medium grit) black diamond with cories with no problems.

 
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cabrerarm

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Wait I can mix them? Oh sweet I'm gonna try that then.

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Bijou88

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I started out with pfs, but when I got albino cories I bought some black diamond and mixed them together so the sand would be darker, I really like it.

 

LeoDiaz

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Medium grit is perfect for corys you should be fine.
 

AmazonPassion

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FYI: If you haven't seen this already but this is a good thread about substrate and comparison:
 
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cabrerarm

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That article was great thanks for the link.

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