Well, that's luck for you!" Andy reached gingerly into the barrel and brought up the keg so that he could take another look.

He had owned a kodak for years and had done enough amateur developing to know that something had gone very wrong here.
"What ails the darned thing ?" he asked fretfully, turning to Luck, who was scowling abstractedly into his barrels of "soup." "You can search me," Luck replied dully.

"Looks like I'd been stung with a bunch of bum chemicals.

Either that, or something's wrong with our tanks here." He reached down and pulled up the keg by its hooped top, glimpsed a stain on his finger and thumb and let the keg slip hastily over into the pure water so that he could examine the stains.
"Iron! Iron, sure as thunder!" he exclaimed suddenly.

"Those iron hoops are what did it." He rubbed his hand vexedly.