Water Aspirators are a common way of creating a low strength vacuum for many standard lab applications. While their low upfront purchase price and ease of use may make them appear to be an attractive option, these simple pumps have recently come under scrutiny.

Water aspirators are notorious for their excessive use of water, potential for water contamination, long-term use costs, and variable performance. This Application Note illustrates the staggering environmental impact of water aspirators, and an alternative environmentally friendly and quick payback solution.