Product review (4 stars): Flip top model leaks when turned, but wash comes out super clean
Ok, I used this for the first time, and the flip top, even when everything is closed, it leaks a bit.  The original model had a twist seal, but this one snaps down and a little water flies out with every turn; I will not be using chlorine bleach in this, and will only use this in the bathtub.  That said, the white towels I washed were pretty badly stained and came out spotless using Charlies: non-chlorine bleach powder, laundry soap and water booster/softener.  This is a keeper.  Just wish it didn't leak, but still worth it.