I think what filntsones means is in a number of cases they can return...like dental issues, once they have a dental issue...allot of piggies keep getting them, some will not....this is the same with bladder stones.
The op was well worth it... 6 months for a piggie is probs 10-15 years for us, getting bladder stones dose not mean a piggie will die hun...its a condition he just may have to live with and may be prone too (like one of my girls has a heart condition and arthritus, my other girl (r.i.p), she had a number of conditions- (hyperthyroidism, arthritus, dental issues) and my boy has cataracts, they are all life long conditions, but we adapt and so do they...
Hopefully plenty of fluids and a low calcium diet will mean no more stones. i know a good few of people who have piggies/Bunnies with bladder stones... only a couple of them have had them return...but a number have not.
Have you thought about getting these?
http://www.thehayexperts.co.uk/urinary-support-oxbow-natural-science.html
Skinnypigs1, from youtube uses these for her bladder pig (and non bladder pigs), plus a number of people i know use them. I use the joint care ones for my arthritic pigs.
I am sure others can put your mind at ease... please dont worry hun.
I am going to tag
@helen105281 and
@Wiebke, as they may be able to advise about water intake.