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On the Use of Sodium Bicarbonate and Calcium in the Rectification of Sea-Water in Aquaria

Published online by Cambridge University Press:  11 May 2009

C. M. Breder Jr  and
H. W. Smith
C. M. Breder Jr
Affiliation:
New York Aquarium
H. W. Smith
Affiliation:
Bcllevue Medical College
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Extract

The use of sodium bicarbonate for the maintenance of the proper hydrogenion concentration and bicarbonate content in marine aquaria using a closed circulation, was recommended by Breder and Howley (1). It was pointed out by them that this substance was more suitable for such purposes than quicklime which is used in the Plymouth Aquarium, because the latter “disproportionately increases the calcium content.” Atkins (2) disagrees with this opinion chiefly on the grounds that sulphates from metabolized food do not tend to increase the acidity of the water. Atkins quotes Smith (3) as stating that the urinary SO4 comes from ingested sea-water, and neglects entirely the fact that Smith had reference to the bulk of the urinary salts. As Smith remarks on page 494, a fraction of the urinary S04 is of metabolic origin, and this fraction is of course the only S04 which is significant in the problem discussed by Breder and Howley.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 18 , Issue 1 , May 1932 , pp. 199 - 200
Copyright
Copyright © Marine Biological Association of the United Kingdom 1932

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References

REFERENCES

1.Breder, C. M., and Howley, T. H. 1931. The Chemical Control of Closed Circulating Systems of Sea-Water in Aquaria for Tropical Marine Fishes. Zoologica, IX, No. 11, pp. 403–442.Google Scholar
2.Atkins, W. R. G. 1931. Note on the Condition of the Water in a Marine Aquarium. Jour. Mar. Biol. Assoc, N.S., Vol. XVII, pp. 479–481.CrossRefGoogle Scholar
3.Smith, H. W. 1930. The Absorption and Excretion of Water and Salts by Marine Teleosts. Amer. J. Physiol., Vol. 93, pp. 480–505.CrossRefGoogle Scholar