I use MHs Dewormer.
I've taken more than the maintenance 1 tbsp a week. In March, I had an urge to hit it hard and started taking 4 tbsp a day. Within 10 days, there was 2 4" pieces in toilet, then a 6" piece that looked blow apart at the bottom that had the head. I actually saw 14" of it, no telling how big it was.