HELLO, YOU CAN STOP AS STONE REDUSES IN SIZE. ALTERNATIVE IS BARLY WATER. TAKE A BIG VESSEL FILLED WITH DRINKING WATER ADD ONE TABLE SPOON OF BARLYOR ONE N HALF, BOIL ITA LOT A PINKISH HUE WILL BE THEIR. TURN OFF WHEN IT BECOME COOL EVERYDAY TAKE SIX GLASS OF BARLY WATER WITH LEMON IT WILL GIVES YOU VERY GOOD RESULTS.BARLY IS A PLANT PRODUT, NO HARM YOU CAN MIXSUGAR, SALT ACCORDING TO TEST. BARLY BEADS YOU CAN TAKE MIX WITH SUGAR A GOOD THING FOR GUT. CONSULT YOUR TREATING DOCTOR. O.K, BYE.