Notes
1 Refer to “Visual Identification of Cyanobacteria and Green Algae and Duckweed,” published online by the Ohio Environmental Protection Agency. For more information, visit www.michigan.gov/-/media/Project/Websites/egle/Documents/Programs/WRD/SWAS/HAB/HABOhio-Visual-guide-excerpt.pdf?rev=7ffb3b2fe6a34767beba0d25103015ae.
2 Read “Guidelines for Canadian Recreational Water Quality,” published online by Government of Canada. For more information, visit www.canada.ca/en/health-canada/services/publications/healthy-living/guidance-canadian-recreational-water-quality-cyanobacteria-toxins.html.
3 See “Cyanobacteria (Blue-Green Algae),” published online by the Maine Department of Environmental Protection. For more information, visit www.maine.gov/dep/water/lakes/cyanobacteria.html.
4 Consult “Other Algaecide Types,” National Swimming Pool Foundation, Pool & Spa Operators Handbook, 2017, pg. 85.
Author
Kevin Vlietstra is the technical director and regulatory specialist with Haviland Pool and Spa Products. He has been working in the recreational water industry for more than 25 years. He can be reached via e-mail at
kevinv@havilandusa.com.