Did not know wet'n'forget had made it to the UK. Great products. Another Kiwi on an extended OENow spray it with Wet'n'Forget - you'll be surprised at how clean it stays.
Wet & Forget is the ideal cleaning product made from biodegradable solutions for removing Mould, Mildew and Lichen on interior and exterior surfaces.www.wetandforget.co.uk
I used to stand on the main part of the roof - see earlier post
I have posted on here and one of the Hymer groups on FB, which is possibly where they picked it up.It appeared in my FB feed today
If the only review you have left is the one posted here it’s a bit sneaky on their part