Nalco — 8506 Plus

"It's plugged," she called down to Jin.

"Different product line?"

A long pause. "That batch was reformulated six months ago. We had a supply chain issue with the original polymer. The substitute is… chemically similar, but not identical. Are you seeing unusual fouling?" nalco 8506 plus

Elara grabbed a small wrench and a length of stiff wire. She loosened the fitting, expecting a hiss of pressure and a spurt of chemical. Instead, nothing. She pushed the wire into the quill. It went in six inches, then stopped. She pushed harder. "It's plugged," she called down to Jin