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Skimmer Salinity Drop Calculator
This calculator estimates the drop in salinity brought about by removing saline skimmate from a system in which the lost water volume is replaced entirely with freshwater. This salinity drop is typically negligible except when wet-skimming is employed; for example, as a mechanism for water-change.
It is not necessary to take into account evaporation of the skimmate while in the skimmer collection cup. As the skimmate volume decreases by evaporation, it's salinity will increase proportionally.
Tank Volume:
U.S. Gallons
Liters/Litres
Milliliters (ml)
Cubic Centimeters
Cubic Inches
Cubic Feet
Cubic Meters
Level Teaspoons
Level Tablespoons
Level U.S. Cups
Level Metric Cups
Initial Tank Salinity:
Parts-Per-Thousand (ppt)
Relative Specific Gravity (sg)
Conductivity (mS/cm)
Skimmate Volume:
U.S. Gallons
Liters/Litres
Milliliters (ml)
Cubic Centimeters
Cubic Inches
Cubic Feet
Cubic Meters
Level Teaspoons
Level Tablespoons
Level U.S. Cups
Level Metric Cups
Skimmate Salinity*:
Parts-Per-Thousand (ppt)
Relative Specific Gravity (sg)
Conductivity (mS/cm)
Resulting Tank Salinity:
Parts-Per-Thousand (ppt)
Relative Specific Gravity (sg)
Conductivity (mS/cm)
* Note that neither a hydrometer nor a refractometer is a good choice for measuring the salinity of skimmate, especially thick skimmate. A conductivity-meter should be used to take this measurement.
Copyright © 2010-2024 Hamza Muhammad Arain.
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