Here at Olinda Springs, we provide one of the purest sources of living water. The spring is unique as it flows through the granite volcanic rock resulting in a soft tasting, low mineral content spring water (Low in TDS). The natural movement of the spring water flowing through the rocks in the aquifer, results in the spring water being charged with oxygen. We replicate this process by rotating the water between our tanks. At the point of bottling the spring water is charged with the same level of oxygen as it was in the aquifer and this reduces with time because the cap of the 15litre bottle is not a hermetic seal. We therefore recommend that the spring water is consumed within 6 - 8 weeks. A 12 month analysis of our spring water in the 15 litre bottles, has shown no evidence of contamination, but consuming it at this time would be with a very low level of oxygen. All of this is based on the spring water being kept out of sunlight and stored in a cool, dark environment.