Pure Lab Water Guide:
An essential overview

Pure water in the lab is essential and often is overlooked until something goes wrong. When you are conducting analytical experiments that deal with concentrations down to parts per billion (ppb) and parts per trillion (ppt) or lower, then any possible contaminants can have negative effects on results and it is important to ensure that the water used is as pure as you need it to be.

The Pure Water Guide is an essential resource and tool that can give you the information that you need to make informed decisions and choices on the water that you use in your lab.  

Want to know more about the water you need in your lab?

  • Find out about Type I, II and III water
  • Check out the 5 classes of impurities
  • Learn which impurities affect your specific applications
  • Learn about good lab practice
  • Regular monitoring of purity levels
  • Why you should only dispense when you need it and the amount you need


After only two days storage, pure bottled water begins to show impurities. Contamination also occurs if bottled purified water is reused after opening.

ELGA specializes in delivering water purification systems for research, science, clinical and healthcare environments. Our pure and ultrapure water purification systems can provide a few liters or several thousands of liters of water per day.

With nearly 80 years of experience exclusively in water purification, we can safely say that we know water. We can reliably and consistently deliver your water so you can focus on your research.

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