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Laboratory Water Purification Systems

Lab water can be complicated but the equipment you use to produce it shouldn’t be! That is why LabStrong™ is devoted to developing cutting-edge equipment and products that are easy to install, use and maintain.

Water plays a crucial role in the laboratory. The types of applications being performed will determine the purity of water that is needed, some labs may need multiple types of water. ASTM International (formerly known as American Society for Testing and Materials) defines laboratory grade water into four categories: Type I, II, III and IV. A brief summary of the types of water is below.

Type I – Ultrapure

  • Resistivity of >18 MΩ-cm at 25°C
  • TOC (total organic carbons) <50 ppb
  • Needed for critical lab functions
  • Used for tissue and cell cultures and DNA research (pharmaceutical research)
  • Required for ultra-sensitive analytical instruments
  • Achieved through deionization, all ions are removed but may still contain small amounts of organics, endotoxins and nucleases. Additional processes are needed to achieve type I plus water. With an ultraviolet light, any remaining bacteria and organics are removed. If DNase and RNase need removal, a combination of an ultraviolet (UV) light and ultrafilter (UF) will be required.

Type II – Pure

  • Resistivity of ≥1 MΩ-cm at 25°C
  • TOC (total organic carbons) <50 ppb
  • Needed for basic lab functions
  • Can be used as a pretreatment to an Type I ultrapure water system
  • Used for creating buffers and media production, general chemistry and spectrophotometry
  • Commonly produce through deionization or distillation. Deionization will remove mineral ions. Distillation is known to remove a wider range of impurities than any other purification process and can remove inorganic ions, dissolved gases, organics, particles, bacteria and pyrogens.

Type III – Primary Grade Water

  • Resistivity ≥ 4 MΩ cm at 25°C
  • TOC (total organic carbons) <200 ppb
  • Needed for non-critical laboratory functions
  • Can be used as a pretreatment to a Type II pure or Type I ultrapure water system
  • Typically produced through reverse osmosis (RO) plus ion exchange or EDI and removes inorganic solids, organics, particles and microorganisms.
What type of water do you need?

Type IV - Feed

  • Resistivity ≥ 0.2 MΩ cm at 25°C
  • No limit to TOC (total organic carbons) content
  • Typically produced by RO, distillation or other methods and is used as a feed water to a water purification system.
  • Contaminants typically found in this type of water are dissolved ions, minerals, microorganisms and organic compounds
What type of water do you need?
The LabStrong™ team has over 75 years of experience and we have listened to those that use the equipment on a daily basis. We hear you! You expect your water system to be:

Economical upfront
and to maintain

Backed by a strong
Technical Service Team

Easy to install and
simple to operate

Able to be maintained with
in-house personnel

Reliable and consistently produce
pure and ultrapure water

Discover your next water system

Browse LabStrong™ water purification systems

We are committed to making your lab life easier and producing equipment and tools that will meet and exceed your expectations.

Rapids™ Type I Water Purification Systems

  • Rapids™ Type I Water Purification Systems
  • Consistently produces type I, ultrapure water
  • Economical solution
  • Flow rate of up to 2L/minute
  • Easy to use and maintain with a graphical touchscreen

Cascade™ Type II Water Purification Systems

  • Consistently produces type II water
  • Cost effective for any laboratory
  • Flow rate of up to 2L/minute
  • Requires no electricity

Fi-Streem™ Distillation Water Purification Systems

  • Consistently produces type II water
  • Reliable and effortless use
  • Highly efficient and economical
  • Produce 1L of distilled water for 1.1L of pretreated water
what type of water do you need?

Complete the form and we will assist you in determining what type of lab water you need and what water system may fit best based on your laboratory needs!

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Contact our Technical Service Team for one-on-one assistance.

Every lab is different and has its own unique needs. Our Technical Service Team can provide one-on-one assistance in choosing the best water system, cartridges or accessories based on the feed water and applications performed in the lab.

* Depending on feed water quality and maintenance of the system.

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