🧪 Fluid Chemistry (PG25 Low-Conductivity Coolant, ASTM D1384 Inhibitor Reserve)

Direct Liquid Cooling Secondary Loop Fluid Chemistry Calculator

Model coolant chemistry across closed DLC secondary loops utilizing inhibited Propylene Glycol/Water mixtures (PG25 @ 25% vol PG): monitor galvanic corrosion potentials between copper cold plates and aluminum manifolds (ASTM D1384), maintain pH $8.5 ext{ to }9.5$, and data center fluid maintenance profits.

1. Project & Operating Inputs

Secondary Loop Fluid Volume (Gallons e.g. 1,500 Gallons DLC Coolant)

Corrosion Rate Target (mpy e.g. 0.05 mpy Low-Corrosion Copper/Aluminum)

Customer Annual Custom Coolant Maintenance Agreement ($ / Yr)

Azole Corrosion Inhibitors, Biocides, Portable Spectrophotometer ($)

2. Financial Breakdown & Yield

PG25 INHIBITED COOLANT

Annual DLC Coolant Quality & Chemical Service Profit

Mission Critical Fluid Maintenance Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost