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How much water you should drink depends on three main factors: climate, your level of exertion and your own individual needs. 1  Climate: When hiking in hot and/or humid conditions, one litre per hour is generally recommended. Climate: When hiking in hot and/or humid conditions, one litre per hour is generally recommended. 2  Same goes for altitude, where although the temperature may be cooler, the air is drier and thinner. 3  In milder conditions at lower altitudes, half of the above mentioned quantity should normally suffice.
In a recent study of a recirculating seawater system,35 the dosing of 0.52 ppm of ozone was tested for its ability to decrease the system's bacterial load. That dose is similar to a 300 mg/hr ozone unit applied to a typical small skimmer flow rate of 150 gallons per hour (568 L/h).