@FailForward There's a way to add filters.. so just add that hashtag to the filter, and let it expire in, say, a week or so.
@FailForward One view as in home timeline only? The filters do have that.
But otherwise you're probably best off just temporarily turning off Boosts there.
@trinsec That's too complicated. I want a transient filter, just for one view. E.g., here: