Question Sand or Gravel ???

GreetedMussel44

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I’m planning to get a new 30 gallon tank but I don’t know what’s the best bottom surface. Sand or Gravel ?

I’ll be definitely keeping Corydoras in there... do they need a specific type of surface ?


Thanks
 

Salem

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Definitely sand- they like to sift through it and gravel can hurt them unless it's super smooth and fine. If you're looking to buy sand definitely consider using children's play sand! It's a nice natural colour and you can usually find up to 50lbs for under 10$.
 
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GreetedMussel44

GreetedMussel44

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Salem said:
Definitely sand- they like to sift through it and gravel can hurt them unless it's super smooth and fine. If you're looking to buy sand definitely consider using children's play sand! It's a nice natural colour and you can usually find up to 50lbs for under 10$.
Alright, thanks !
 

Crispii

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You can keep Corydoras in gravel, but the gravel needs to be smooth with no sharp edges. Of course, you can definitely keep them in any sand substrate.
 

Invicitus

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For Corydoras I would definitely recommend sand, and black would really make the colours stand out.
 

nj278

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I agree with the sand! My corys absolutely love digging around in it. The only thing is if you get a lighter colour it can quite quickly get covered in debris and appear dirty so it needs to be vacuumed quite thoroughly.
 

Jerome O'Neil

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nj278 said:
The only thing is if you get a lighter colour it can quite quickly get covered in debris and appear dirty so it needs to be vacuumed quite thoroughly.
I consider that a feature, not a bug. I want to be able to see where I need to vacuum. I don't want it to look clean, I want it to be clean.

Black will make your fish look better, though.
 

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