I have seen Demon Foam advertised on the TV especially on Wheeler Dealers programmes so thought I would give it a go and see what it is like. I don't expect it to be as good as products such as Meguires or Autoglym etc but thought it had to be worth a go.
I bought mine at Asda for £8 and the container states up to 20 washes with it so less than 50p a go is pretty good value. I noticed that they also sell the Demon Shine for the same price but didn't get that this time.
You get a nozzle attachment with it that screws on to the top and attaches directly to your hose pipe.
So the instructions tell you to attach your hose and spray your car with clean water first. To be honest this left me with just normal pressure water which is pretty poor round here so I used my hose and spray nozzle which increases the pressure for me and made this quicker. Next I attached the hose to the Demon Foam. The problem now is that there is no on/off control over the flow of water unless you turn off at the tap. This is a definite poor design feature.
So I activated the foam and sprayed the car. It's pretty good and certainly covers the car well although I noticed it was running off pretty quick rather than adhering to the car. My son helped out here by rubbing the car over whilst I continued to foam it.
So when he had finished cleaning the car I gave it a thorough spray with clean water. It did take some time to get rid of all the foam. Then I just dried it off with a new microfibre cloth I had also bought at Asda for £3, very good value. And here are the results.
I think you will agree the shine is fairly good. Definitely better than just a normal quick wash with my usual Autoglym when I don't polish as well and certainly quicker and less effort.
Overall a pretty good product in my opinion. Fair price if 20 washes are achieved and good results if you don't want to polish and just want a quick wash. Downside is the fact that there is no on/off control of the water and no enhancement to the tap pressure but otherwise I would recommend Demon Foam.
Might try the Demon Shine as well and see what results that gives.