Video: Unwelcome bryozoan guests

Bryozoans showed up in the fossil record about 480 million years ago as a harmless filter-feeding aquatic animal. Today, these microscopic animals can cause serious problems by plugging in-line irrigation filters of all types. This video provides a close-up look at these ancient microscopic organisms to illustrate how they can bring your multi-million dollar irrigation system to its knees. We also provide information on the most current methods for combatting this pest.

- Wikipedia article on Bryozoa - PACE Turf…