This document provides 3 questions to consider when selecting an effective fibre optic cleaning fluid: 1) What are the work conditions like in terms of odors, sparks/heat, and freezing temperatures? 2) What government regulations are in place regarding aerosols, flammability, and compliance? 3) How is the cleaning fluid packaged to prevent spills, contamination, and freezing? The goal is to choose a fluid suitable for the work environment and compliant with relevant safety standards and regulations.