I have tried to make mozzarella and had it not turn out right either. But mine wasn't gritty enough that I wouldn't eat it. And it did have enough of a mozzarella taste that I did use it anyway. One of the things I read about making it was to use gloves or something because it has to be so hot to do the stretchy thing that it'll burn your hands. Naturally I didn't use gloves either LOL. But mainly because even a video I watched about it, the guy didn't wear gloves.