Product features: The sterile, magnesium-containing, tissue-compatible citric acid solution can be used to flush the bladder and bladder catheter in a closed system. Calcium deposits in and around the catheter and bladder can be dissolved. 1000 ml contains: Magnesium hydroxide carbonate 28.40 g Citric acid, anhydrous 57.70 g D-Gluconolactone 8.30 g Magnesium citrate, anhydrous 2.76 g Citric acid 6% (for pH adjustments) maximum 3.462 g Water for injection up to 1000 ml pH value: 3.4-4.5 Source: www.fresenius-kabi.de As of June 2015