Bio balls

[woody390]

I have a turtle tank and have set up a sump on it (it's an old marine tank) . I want to place some bio balls in there as biological filtration. Does size make a difference for bio balls like is it better to have more small ones or less larger ones or no real difference?


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[Delapool]

I would of thought more small ones for more area but perhaps no difference.

 

[treemanone2003]

I don't think size has anything to do with it honestly. It's total volume IMO. If you can only fill a 5g bucket with 5g of product, does it matter if it's water or kool aid ?


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[Mebbid]

I don't think size has anything to do with it honestly. It's total volume IMO. If you can only fill a 5g bucket with 5g of product, does it matter if it's water or kool aid ?


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If you're talking about sand, then that analogy works. But think of marbles in a box. Will there be more unused space with small marbles or large marbles?

That being said, it doesn't matter either way. If it were me I'd skip the bio balls and fill the sump with plastic pot scrubbers.

 

[Rpeinhardt]

That's a really good suggestion, Mebbid! I'll remember that for my future tanks.