mmm water in pisa it's hard..but i have this plant since 2006 and nothing happened 'til now! leaves are green, no blotches, there's a new leaf instead! other roots aren't rotten..they're silver/green..i never used a water softener..i have distilled water..i'll try for a few days to use it and we'll see if it'll be ok..
PS Sorry for my english but..2-3 years i don't speak this language!!