You can see a video of his process below. The experimentation started with fish tank clarifier, which is — apparently — mostly alum. Alum’s been used to treat wastewater for a long time.

Getting out into Australia's great outdoors is all fun and games until somebody gets bitten or stung by an unidentified ...

Australia’s great outdoors is a treasure trove of natural wonders, but as any seasoned bushwalker or backyard gardener knows, ...

Getting out into Australia's great outdoors is all fun and games until somebody gets bitten or stung by an unidentified ...

You can see a video of his process below. The experimentation started with fish tank clarifier, which is — apparently — mostly alum. Alum’s been used to treat wastewater for a long time.

YOUNGSTOWN — Beeghly Center at Youngstown State University was evacuated Friday after a pool cleaning accident released toxic ...