On 5/5/2016 11:16 AM, Brooklyn1 wrote:
> The most Interesting RFC Post This Month... I installed A Laundry Sink
> (Slop Sink) By My Basement Washer... Any Questions? I'm Sure Someone
> Will Ask About The Black... It's All Water Stains From Testing The
> Job.
> http://i68.tinypic.com/5l0yeg.jpg
>

Bullshit.

The floor may be.

The walls have black mold at the bottom from a failed waterproofing
paint, possibly coupled with inadequate foundation wall damp-proofing on
the outside.

You have a problem.

Hope it won't mean installing a french drain along the foundation footings.