Water hardness determination using local laundry bar soaps for carp hatcheries.
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A simple method using local laundry soap is described for carp hatchery operation. A saturated soap solution was prepared and uses to titrate a 100-ml water sample of known hardness until a permanent lather appeared on the surface of the sample. The volume of soap solution was recorded to correspond to the hardness level tested. A fish farmer’s guide on the approximate levels of water hardness using WHEEL or PERLA soap solution is provided.
Suggested CitationFerriols-Pavico, J. Ma., Aralar, E. V., & Gonzal, A. C. (1988). Water hardness determination using local laundry bar soaps for carp hatcheries.
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