Cleaning my roof at home

Ive just scraped my roof ready for softwashing there still a bit of yellow fungus on it what do you think i should do bio or hypo it ! If hypo it what mix do u find best im normally a 3/1  man on walls but don't think that's enough for roof ? standard roof tiles o and im on cost so lots of salt in air was leaning towards bio but open to options ?

I wouldn't bother scraping a roof now. All I would do is spray wet and forget on it and clear out gutters in 3 months time.

Yellow lickens will die and come off the roof within a few months I did my roof with hypo mix 4-1 tiles changed colour within muinits and all lickens gone within 6 months 

Pjj said:

Yellow lickens will die and come off the roof within a few months I did my roof with hypo mix 4-1 tiles changed colour within muinits and all lickens gone within 6 months 

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Mine still hanging on after 2 months but have changed colour to white.