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Provisioning For A Southeast Alaska Cruise - PassageMaker

Provisioning For A Southeast Alaska Cruise

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Galley—Provisioning For A Southeast Alaska Cruise

Water Sterilization Processes

Sterilization Process

Result

Limitations

Commercial Product

Boiling Water at full boil for 15 minutes

Kills most bacteria and viruses

Bacteria with spores remain since temperature > 212oF not attained

Pressure Cooking to 250oF

Kills all bacteria, with and without spores and viruses

iodine purification tablet , active ingredient tetraglycine hydroperiodide

 Kills all bacteria and virus

Limited shelf life, 4 years. Effective after a half hour. Toxic in overdose

Potable Aqua

2% tincture of iodine, 12 drops/gallon

Kills all bacteria and virus

Limited shelf life, 4 years. Effective after a half hour. Toxic in overdose

bleach, active ingredient 5.25% sodium hypochlorite solution, 8 drops/gallon

Kills most bacteria

Viruses and amoebic cysts remain. Distasteful if not carbon filtered

UV Radiation

Inactivates bacteria and viruses

System addition in-line at the water's point of use. Moderate expense < $1,000.

Many commercial units available.
Village Marine Tec UV Sterilizer at various gallons per minute

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