ClearStone Drops is a well-known product of SBL and is used to dissolve kidney stones, ureter stones or bladder stones. It is also used to provide relief from renal colic (pain). 30ml bottle. Dosage: 10-15 drops in ¼ cup of water 3 times a day. Expiry date in 2025. Brand new! Payment by Interac e-Transfer, PayPal or Cash on Pickup. Sold by fairshop.ca Item # 178000677