Water Quality Issues in Aquaculture: Alkalinity
Figure 1 | Figure 2
Dan Terlizzi, Water Quality Specialist
Figure 1. Daily fluctuation of pH in ponds with low and high alkalinity.
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Figure 2. Relative concentrations of carbonic acid, bicarbonate and carbonate as they vary with pH. Alkalinity titrations proceed from around pH 11 and neutralize alkalinity until the endpoint is reahed. The end point using total alkalinity indicator is pH = 4.6 indicated by the dashed line.
Maryland Sea Grant Extension Program
Phone Numbers And E-Mail Addresses
Agents and specialists of the University of Maryland Sea Grant Extension Program are available online through the following addresses: