Almost Off Grid Mead Yeast. Almost Off Grid Mead Yeast is a high ester-producing strain of yeast. It will confer fresh, floral esters to your mead, especially when fermented cool. This yeast has high alcohol tolerance and ferments well over a wide temperature range. Suitable for all styles of mead. Attenuation: Very High. Flocculation: High. Weight: approximately 10g. Usage Directions: Sprinkle directly on up to 23 L (6 US Gal) of wort. For best results, ferment at 15-30 degrees C (59-86 degrees F). Storage Recommendations: Store in the fridge.