GROHE Magazine 40 Pure Freude an Wasser In German a euphemism for a wimp is a Warmduscher someone who takes their showers warm Even so GROHE engineer Mirja Bensing says with pride I am definitely one of those people who prefers to shower with warm water A good shower experience is of utmost impor tance to her and not just when it comes to using her own shower she works at GROHE in the field of shower spray development As an engineer she tests prototypes and end products but is also involved in their development Recently she had a groundbreaking idea for GROHE that she is now working on the shower lab She explains how this idea came about We re always testing showers with new spray types for defects and functionality But until now we never examined how good our spray patterns re ally are and how we can optimize them further especially in terms of protecting the environment Simply reducing the flow is not enough to save water anyone who has already tried to rinse shampoo out of their hair at the pool knows that rinsing takes much longer when there is less water coming out of the shower head Bensing is there fore looking into what a test system for showers could look like She quickly had the idea that the environmen tal aspect in particular could be interesting for shampoo manufacturers and got in touch with the Henkel company They were immediately hooked on the idea since Henkel is also strongly committed to having as small a carbon footprint as possible Both companies therefore decided to join forces and develop the so called shower lab In this lab tests are now carried out using Bensing s simple but effective system The shower lab is made up of two identical test benches allowing the two results to be compared one is located at GROHE the other at Henkel The shampoo company conducts their experiments from a chemical angle testing various formulas of shampoo conditioner treatments and dyes while GROHE approach the problem from a technical standpoint and examine everything pertaining to the shower head Both are measuring the water s con ductivity and turbidity its cloudiness by using standard measuring devices before and after the rinsing process The test benches were built by Mirja Bensing right here in the GROHE lab Her shower lab is located at the back of the huge GROHE lab where things clatter roar and whoosh all over the Mirja Bensing got in touch with the shampoo manufacturer Henkel for her research The same amount of identical shampoo is used for every test Bensing s shower lab examines shower head spray patterns analyzing how they can be optimized to save water and increase efficiency 41

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