Report "I have bought only TOTO toilets (Ultramax one piece) so far. I need to buy one last one I can get a nicer design Kohler Memoirs,Model # K-3526-0. Have you heard of clogging problems similar to Devensihre by Kohler. I can grab from Home Depot a Kohler Cimmeron Comfort height model# K-3609-0 a class 6 Technology (gravity force) right now"