Transfer sand bed?

[Aquattro]

Originally Posted by hfp75

I'd keep the sand but put it all in a pail and stick in the garden hose & start stirring... When the overflowing water is clear, go ahead and dump it back in to your tank.

Not terrible advice at all, but using the old tank water will preserve a lot of the bacteria while getting rid of the muck. Whichever is easier really