Originally Posted by Johanovich
I currently keep my springtail cultures on hygrolon clay balls instead of charcoal. Works great.
this is why I used leca/hygrolon in all my tanks - breeder and temp.
The wonderful spaces between the balls allows = good aerobic.
The tiny balls are fired clay already - dunno if that would have a calcium transfer benefit.
Springtails like isopods need calcium to grow cuticle / bodymass. Best food I've found is Josh's frogs spring to life.