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Oxygen/Nitrogen
Improvement Systems: Dissolved Oxygen Calculation
Click
here for a printable Oxygen/Nitrogen Systems form
Optimal oxygen levels are a vital factor in promoting healthy
fish and high yield in the hatchery business. The following calculations
can assist you in determining dissolved oxygen efficiencies.
VMG Industries manufactures two oxygen/nitrogen improvement systems,
GASTAC and Inline-Ox. We can help you evaluate which system is
best for your operation. Go to Oxygen/Nitrogen Systems, and complete
the online form. VMG will provide you a recommendation based on
your data.
STEP ONE
How much oxygen is needed?
Use the following if you know gallons per minute water flow and
the desired increase in oxygen in ppm of 02:
 = Increase
in dissolved oxygen
• 378 = one liter of pure oxygen per minute treats 378
gallons per minute of water at 100% oxygen injection efficiency.
• Use the decimal equivalent of the percentage in the following
Formula for Efficiency. (50% efficiency = .50)
Note: 3.78 liters = one gallon of water
Use the following to convert liters per minute of needed
02 to cubic feet per hour:
• 28.32 liters = 1 cubic foot of 02
Click
here for a printable Oxygen/Nitrogen Systems form
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