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Step 4: Swirl gently (never shake) Once all the water is in the vial, remove the syringe

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Last reviewed: June 27, 2026 Last updated: June 27, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations