It does not matter where the part is "exactly" suspended once enough water comes ran melt the balls as sorbet in the midday sun.
I also feel that after a certain time the resolution is accelerated quite well recognizable by the colored streaks.
Speaking of streaks: He looks good and woe to use the toilet did not regularly ... the streaks will then become stubborn dirt. Since enough a weekend holiday.
By itself, as I said, a good concept but which also works just not in the long run and therefore it is simply too expensive and due to the waste generated also incompatible.
Otherwise: very good cleaning effect, pleasant albeit strong fragrance