BIO BALL XY-32MM
$0.50
$0.25
50% OFF
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BIO BALL XY-32MM
$0.50
$0.25
50% OFF
Bio balls are used to hold the beneficial bacteria from your tank and not for removing waste products from the system. We recommend that these are used after the water flows through filter foam as the foam will catch and remove any debris from the water meaning these will not get stuck in the groves of the Bio balls.
42mm in diameter