I’m not up on what foods to feed for what type of crystals, it depends on the type. I’ve boosted your post so others who have dealt with this and know the right website to go to will see it. I think Dogaware dot com has some info, but again, you have to know what type of crystals. Struvite crystals form in the presence of bacteria, so I hope that has been checked for. I do know that BB is not a balanced food with out the Lifesource Bits, so if you take those out, you should change foods anyways. I don’t like BB for that and other reasons.
