Description
UPC: 721107408376
Note for application in high-magnesium demand recirculating seawater ecosystems: Be
advised that magnesium sulfate may not be suitable as a sole source of
magnesium supplementation in recirculating seawater ecosystems with
relatively high magnesium demand, due to the mass of sulfate that is
contributed to the system. The sulfate ion behaves conservatively in
seawater, meaning that it will accumulate with continued dosage of
magnesium sulfate; the long term impact of elevated sulfate content is
the topic of some conjecture, however we feel that maintaining as close
an ionic profile to natural seawater within recirculating seawater
ecosystems can only be beneficial. Therefore, it is recommended to use a
combination of magnesium sources, namely chloride- and sulfate-salts of
magnesium, to maintain magnesium in systems in which the [Mg2+] value
decreases by more than 100 ppm per week (as a rough guideline). Second,
magnesium sulfate has a pH lower than that of natural seawater. The use
of magnesium sulfate as the primary magnesium source in recirculating
seawater systems may result in depressed system pH, requiring the
application of greater amounts of buffering compounds (pure carbonate
salts are not suitable for this purpose) than would be required when using a magnesium sulfate in conjunction with magnesium chloride.
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