Products & ReviewGeneral Lab

PURELAB® Chorus 2

ELGA LabWaterAvailable: Worldwide

Flexible. Configurable. Simple.

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Average Rating 4.6

|12Scientists have reviewed this product

Ease of Use
After Sales Service
Value for Money
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Omar was very Knowledgeable, efficient in his work. Proactive in securing materials


Average Rating 5.0

Application Area:

Equipment Maintenance and Validation

Accomplished 4 validation in a very short timeline.

Review Date: 9 Feb 2024 | ELGA LabWater

Great service and support and product works well


Average Rating 5.0

Application Area:

Purified water for cell culture

The product is a great, no bells and whistles way for us to get cell culture grade water for experiments. Veolia and Joe Crusco have always been fast to respond for service and PMs.

Review Date: 15 Nov 2023 | ELGA LabWater

Great field service, lackluster office team, poor quality product provided by VWR.


Average Rating 4.7

Application Area:

BioTech R&D

The service technician who comes out (K.K.) is outstanding. He does a fantastic job! His customer service skills are great. He's communicative, does what he says he's going to do, and is honest and friendly. However, the customer service from the office folks has yet to impress me. Nothing but problems with the actual product provided by VWR.

Review Date: 3 Aug 2023 | ELGA LabWater

Great customer service


Average Rating 5.0

Application Area:

Enzyme based electrochemistry

Called technical support and received an excellent service!! Thanks to John who walked me through the troubleshooting steps in a timely manner.

Review Date: 22 Mar 2023 | ELGA LabWater

Instrument's performance is superb. After-sales services need a lot of improvements.


Average Rating 4.0

Application Area:

distilled water for lab use

I've been using this instrument for the last four years. Performance wise the instrument is very good. But while it broke down that time the maintenance service procedure was very lengthy. Communication from the service team is very poor. it took a long time to rectify the issues even after multiple follow up. Requesting SMT to look into this matter. However, from the instrument's performance perspective its quite satisfactory.

Review Date: 12 Dec 2022 | ELGA LabWater

Great water purifier for lab dishwasher


Average Rating 5.0

Application Area:

Providing water for lab dishwasher

The Purelab Chorus 2 with the 30L reservoir has been providing clean water for my lab's dishwasher without any fault for a couple of years now, cleaning glassware and cages/bottles from the vivarium. The pump for the dishwasher has worn (easily replaced) but the Purelab has still been working great.

Review Date: 1 Sept 2022 | ELGA LabWater

Great technology poorly let down by the ongoing costs and after care.


Average Rating 1.3

Application Area:

Produce De-Ionised water for food/drink based use

When the de-ioniser works the product is fine. However, it is very temperamental and the after care service is poor. Replacement filters are expensive and the shipping cost for 1 filter is over £16 which is extortionate. The supplier will recommend an engineer comes to fit a replacement filter at over £500 per time. This can be done yourself in minutes. When you do have an issue the call out fee for an engineer (if you can get one) is over £700. I would suggest buying deionised water from someone like water nation instead. We spent a lot of money on our deioniser just 3 years ago and can no longer justify the cost to have it serviced or maintained.

Review Date: 16 Aug 2022 | ELGA LabWater

Manufacturer's Response

ELGA prides itself on providing world-class service and preventative maintenance solutions to take care of our Labwater systems. A contract to cover consumables and services would have been critical to avoid this situation and ultimate dissatisfaction. We hope to have the opportunity to discuss your next labwater application.

Best results


Average Rating 5.0

Application Area:

Water distillation for lab use

The product is highly recommended. It make life in lab easy

Review Date: 24 Jul 2022 | ELGA LabWater

Simple to use


Average Rating 5.0

Application Area:


Chorus 2 with attached Flex 2 and Halo dispensing arm work great together! Set up was quick with our installer Omar. Consumables seem very easy to swap out once time comes for that process.

Review Date: 20 Apr 2022 | ELGA LabWater

Best DI system and recommend to any laboratory requiring exceptional service.


Average Rating 5.0

Application Area:

Research and development

The Chorus 2 was the best priced system on the market. It was easy to install, easy to use and easy to perform routine maintenance on. The shipping was quick, service people are knowledgable and sales personnel friendly and helpful. We have used Elga products in the past and have had exceptional results.

Review Date: 12 Feb 2021 | ELGA LabWater

PURELAB® Chorus 2 (RO/DI)- Flexible. Configurable. Simple.

PURELAB® Chorus 2 (RO/DI) provides pure water (Type II) from a potable tap water supply for general laboratory applications requiring up to 480 liters per day.

This award winning system offers scientists a choice of four different storage reservoirs (15l, 30l, 60l & 100 l) depending on water demand.

Key features

  • Reverse Osmosis feed contains optimized resin mixes to maximize consumables capacity.
  • Simple to install, operate and maintain
  • Prioritized information displayed at all times for absolute confidence as you dispense.
  • Easy upgrade to higher flow rates to meet your future demands.
  • Combine multiple systems to guarantee maximum uptime.
  • Optional CO2 removal from the purified water increasing the life of consumables.
  • Quick, easy semi-automated sanitization to minimize downtime.
  • Data capture via USB for system performance validation and software updates.


  • 2014 Good design award
  • 2014 Gold winner-A’ design award

Product Overview