@ chiefgrooveguru
I too worked for Diversey, some 25 years ago and was part of the team developing the wall dispenser system. What a nightmare some of that was! – although a great bunch of people to work with. Intrigued who you are / who your Dad is now…..
But don’t necessarily assume that because they are ‘industrial’ products that they’re automatically better. That will be the case in some instances – for example kitchen cleaners, which in an industrial setting preparing maybe 120 covers will see far more oil and grease than if you’re preparing 4 covers and then cleaning up. OTOH, bathroom cleaners will actually often be less concentrated for the same reason – because every sink, bath, shower, toilet, mirror in a hotel is being properly cleaned every day, not once or twice a week as in a domestic setting.
Also it’s a very price competitive market, hence cost of product is key, and hence the push to have as little goodies in the product as possible.
Back to the mains water dilution systems – these used mains pressure to operate a venturi that dosed in the correct dose of concentrate. Obviously with variable mains pressure you had to be able to adjust the venturi valve to compensate. The number of times we’d be called back into big hotel chains because the product didn’t work only to find the head chef had turned the valve right down to save product and was trying to degrease an industrial oven with homeopathic levels of cleaning chemicals!!