Monster Hydro - Mean Green MONSTER HYDRO GLUCOSE POWERED NON CARBONATED ENERGY DRINK REDUCED SUGAR WITH VITAMIN B3. Monster Hydro is a non-carbonated refreshment drink and will be available as a 550ml resealable wide mouth bottle The drink, which includes 25mg of caffeine, has 4.6g of sugar per 100ml which comes in under the sugar tax threshold to be introduced next Spring. Monster Hydro is a noncarbonated energy product and targets consumers looking for refreshment and great taste as well as Monster's energy blend as opposed to simply wanting an energy boost. The 550ml soft drink comes with a resealable wide screwtop in a clear bottle design with Monster's claw logo branding. Hydro contains 25mg of caffeine and just 4.6g of sugar per 100ml, making it exempt from the sugar levy and is available in different flavours: Mean Green and Manic Melon.