A 17-step protocol for evaluating and maintaining the health of kelp gametophyte cultures. Provides systematic methods for visual and microscopic inspection to identify contamination and health issues. Includes specific techniques for sample collection, slide preparation, and microscopic examination. Features direct references to companion guides for contamination identification, treatment options, and health issue resolution. Essential reference for nursery technicians monitoring kelp cultures to maintain quality, prevent contamination spread, and implement timely interventions.