At ISH 2025, JUDO surprised trade fair visitors with an exclusive competition in addition to innovative water treatment solutions. Whoever was able to estimate a given weight of sweets most accurately had the chance to win one of the three main prizes – including a city trip to Hamburg’s harbour birthday! 

Winnenden, May 2025 – JUDO makes people happy: JUDO Wasseraufbereitung GmbH attracted attention and enthusiasm at this year’s ISH in Frankfurt with a very special trade fair competition. Numerous trade fair visitors took the opportunity to put their guessing skills to the test. The aim was to fill the intelligent i-soft PRO water softener with a specified amount of sweets instead of regenerating salt: The system’s patented i-salt management system uses weight sensors to accurately measure the salt supply down to the gram – or the amount of sweets inserted. In addition to the instant prizes, those who came closest had the chance to take part in the prize draw.

The main prize, a 3-day city trip to Hamburg for two people to celebrate the 836th harbour birthday, could be redeemed directly last weekend. The major festive event was a delight with its unique atmosphere of imposing ships, live music and Hanseatic hospitality. The lucky winner was able to enjoy the spectacle in the best weather and collect unforgettable impressions – including spectacular fireworks on the jetties.

Second and third place went to an iPhone 16 Pro and a brand new iPad – technology that, like JUDO water treatment, leaves nothing to be desired. It is no coincidence that the highlight of JUDO’s water softening system is called i-soft PRO: intelligent technology meets maximum convenience for soft water without compromise.

‘We are very pleased about the lively participation and the positive feedback on our competition,’ says Sonja Besler (Head of Marketing, JUDO). ‘With campaigns like this, we not only want to offer our stand visitors a special experience, but also show our appreciation.’

JUDO Wasseraufbereitung GmbH would like to thank everyone who took part and is already looking forward to the next ISH – with new ideas, innovations and, of course, exciting campaigns.