References
The Institute publishes nothing it cannot source. Every quantitative or mechanistic claim across these guides traces to one of the works below — peer-reviewed microbiology, government water-quality criteria, university extension literature, and standard texts in aquaculture and limnology.
Citations appear in the guides as superscripts, e.g. [1]. Where a claim depends on conditions (pH, temperature, species), the cited source sets those conditions out in full; the guides summarise, they do not embellish.
Nitrification & the nitrogen cycle
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Hovanec, T. A., Taylor, L. T., Blakis, A., & DeLong, E. F. (1998). Nitrospira-like bacteria associated with nitrite oxidation in freshwater aquaria.
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Burrell, P. C., Phalen, C. M., & Hovanec, T. A. (2001). Identification of bacteria responsible for ammonia oxidation in freshwater aquaria.
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Hovanec, T. A., & DeLong, E. F. (1996). Comparative analysis of nitrifying bacteria associated with freshwater and marine aquaria.
Ammonia & nitrite toxicity
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Francis-Floyd, R., Watson, C., Petty, D., & Pouder, D. B. (rev. 2022). Ammonia in aquatic systems.
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U.S. Environmental Protection Agency (2013). Aquatic life ambient water quality criteria for ammonia — freshwater 2013.
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Durborow, R. M., Crosby, D. M., & Brunson, M. W. (1997). Nitrite in fish ponds.
Water exchange, filtration & water quality
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Stone, N., Shelton, J. L., Haggard, B. E., & Thomforde, H. K. Interpretation of water analysis reports for fish culture.
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Timmons, M. B., & Ebeling, J. M. (2010). Recirculating aquaculture (2nd ed.).
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Boyd, C. E. (2020). Water quality: an introduction (3rd ed.).
Algae & limnology
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Wetzel, R. G. (2001). Limnology: lake and river ecosystems (3rd ed.).
Fish health, stress & quarantine
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Francis-Floyd, R. Stress — its role in fish disease.
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Francis-Floyd, R., Stilwell, N. K., & Yanong, R. P. Introduction to fish health management.
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Noga, E. J. (2010). Fish disease: diagnosis and treatment (2nd ed.).
pH, alkalinity & hardness
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Reisinger, A. J., Albertin, A., Bean, E., Smyth, A., & Wilson, P. C. Water quality notes: pH.
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Reisinger, A. J., Albertin, A., Bean, E., Smyth, A., & Wilson, P. C. Water quality notes: alkalinity and hardness.
Texts marked with a publisher or WorldCat record are copyrighted works without free public full text; the Institute links to the catalogue record rather than to any unauthorised copy. Extension documents and the cited journal articles are openly available at the links given.