Hi Lauren! Sorry to hear that your pup has recently been diagnosed with crystals. The below article has a natural, simple kidney and bladder stone treatment protocol and diet recommendations that I hope you will find helpful for your boy. It can be used as a resource if a dog has already been diagnosed with urinary stones or if you simply want to prevent this painful and annoying condition in the first place;
WHY DO DOGS GET BLADDER AND KIDNEY STONES AND HOW TO TREAT THEM NATURALLY:
https://peterdobias.com/blogs/blog/11014185-bladder-and-kidney-stones-and-urine-crystals-in-dogs-natural-approach
