GundamCichlid Posted September 21, 2011 Share Posted September 21, 2011 does anyone know if i have a 25L space, how many bio ball will i need??? Thanks Link to comment Share on other sites More sharing options...
secondnatureaquariums Posted September 21, 2011 Share Posted September 21, 2011 does anyone know if i have a 25L space, how many bio ball will i need??? Thanks Depends on the size of the bioball. Do you really want bioballs? Link to comment Share on other sites More sharing options...
E4G13M4N Posted September 21, 2011 Share Posted September 21, 2011 Personally i only use bio balls in wet dry systems, if its a wet system i only use matrix or Substrate pro, or similar.. Link to comment Share on other sites More sharing options...
GundamCichlid Posted September 21, 2011 Author Share Posted September 21, 2011 Thanks for the question. my sump is the spinning arm model, so normally i think i should put woll, egg crate and bioball under the spinning arm to increase the air and good bacteria. I also planning to put about 3 L of matrik next to the pump i prefer the bigger bioball and floattin one with the horizontal line around it (black colour) I also see the bio ball that has a gap for more water coming thru (blue colour0 but atm i still prefer to the black one. What is your idea mate? btew, this is for a 6x2x2 tank and will be heavily populated for my cichlid display tank Link to comment Share on other sites More sharing options...
GundamCichlid Posted September 23, 2011 Author Share Posted September 23, 2011 pardon me I should direct my question to secondnatureaquariums Cheers Link to comment Share on other sites More sharing options...
Colfish Posted September 23, 2011 Share Posted September 23, 2011 does anyone know if i have a 25L space, how many bio ball will i need??? Thanks about 250 of the black bio spheres Link to comment Share on other sites More sharing options...
secondnatureaquariums Posted September 24, 2011 Share Posted September 24, 2011 pardon me I should direct my question to secondnatureaquariums Cheers I was going to say what others have, and that is that unless it is wet/dry you could do better than bioballs. Sounds like it is wet/dry so bioballs should work well. To determine how many you need, find the volume of one and then divide by your space by volume of one ball. Can't remember the formula for volume of a sphere off the top of my head. Theres probably a formula out there that will accurately determine how close they will pack too, which will be more accurate than basic total volume / unit volume. Link to comment Share on other sites More sharing options...
krellious Posted September 25, 2011 Share Posted September 25, 2011 pie x radius squared? Trying to remember maths from 10 years ago:) Link to comment Share on other sites More sharing options...
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