Bio-Balls are they needed or not

Discussion in 'New To The Hobby' started by Tyslin, Feb 14, 2007.

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  1. Tony H

    Tony H Plankton

    Nov 30, 2013
    Thanks for the replies guys :)
    I've been keeping both fresh and salt water aquariums for 30 years so I've got a handle on that nitrogen cycle thing :p
    I think I'll keep the balls in, the sump I have has 3 lift out trays with each one having 4 large compartments - easily accessed and easy to give the balls a gentle rinse with saved water from a water change and only one tray to hold the 250-300 balls.
    I guess my main query was that it only took the 6 or 7 years I was out of the hobby for we'd/dry systems to be replaced by bare sumps, wasn't quite sure why but anyway...