[Dave Willis]

I have some gutters that are always very difficult to clean with wfp. G101, virosol etc have little effect and I normally have to resort to scrubbing the dirt off by hand with a cream cleaner. I wondered if something specifically for killing mould/mildew might work?

[andyM]

Are you sure it's mould/mildew Dave and not deposits from the flue of a log burner from a nearby property?
I've used a spray mould/mildew remover on upvc on inside conservatory roof cleans but it's main ingredient is bleach.

[M & C Window Cleaning]

I had a similar problem today.  Black mold on frames that haven't been cleaned in a while.  I couldn't get it all off even with patient scrubbing and neat viro-sol on brush.  Any tips on what to use to remove mold stains using WFP would be great.

Mark

[Dave Willis]

I might buy something like this  http://www.amazon.co.uk/Brintons-Patio-Magic/dp/B005A5O4V6/ref=pd_sim_86_6?ie=UTF8&refRID=0M1KTKVP1AEAJ5ZS1V3Z and experiment.

[EandM]

Would an Anti Fungicide  be something that encourages the growth of Mould & Algae ?