It’s pitch black. The huge wet glop feels like an oily ball of string. And it’s just as well the helmet and mask doesn’t allow the diver to smell.

The snarl is largely thousands of wet wipes, or baby wipes — those supposedly “flushable” disposables people toss into their toilets every day.

The diver on Monday and Tuesday was nearly 100 feet down in a sewer well, removing the congealed mass that clogged up suction intake pumps to the Plum Island Wastewater Treatment Center on James Island.