This is why:
https://www.jstage.jst.go.jp/article/bunsekikagaku1952/33/7/33_7_E227/_pdf
TLDR: Sodium Hypochlorite converts amines to ammonia
if ordered some elemonator so hopefully that’ll do the trick.
Could it be moss that is turning white? Algae seems to hide moss many times, on the roofs we wash.
