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43 RESTART is the result of an innovative pre-acclimation process developed by Lallemand and approved by the Inter-Rhone Laboratory using Uvaferm 43. 43 RESTART’s resistance to the stressful conditions of stuck fermentations has been naturally increased. This process includes the addition of micronutrients, sterols andpolyunsaturated fatty acids to strengthen the yeast cell membranes. The yeast cells are more robust, acclimate more quickly and have a lower mortality rate after inoculation. 43 RESTART is sensory neutral and has been known to ferment up to 18% (v/v). It is a low SO2 and H2S producer with relatively low nitrogen demand. 43 RESTART is malolactic bacteria compatible. For best results use the 43 RESTART protocol including Reskue and Fermaid O. Restarts can be done in a few efficient steps.
USAGE RATE IS 1-2 GRAMS PER GALLON OF JUICE/MUST.
Our Yeast Recommendation Chart provides specifications about alcohol tolerance, temperature range, nutrient needs, vigor, and much more. It will allow you to compare our whole selection of available strains and narrow down to the perfect yeast choice.
DON'T FORGET NUTRIENTS! Yeast require nutrition for successful completion and to avoid undesirable fermentation byproducts such as the rotten egg smell of Hydrogen Sulfide. Please be sure you are stocked with Fermaid K and DAP (Diammonium Phosphate). Our Guidance on selecting an appropriate nutrient program is here.
Restarting a stuck fermentation is a challenge. Simply adding more yeast doesn't work. After all, the first yeast died trying, didn't it? Please review this Uvaferm 43 Restart Protocol - it is the easiest method yet developed to successfully restart a difficult and stuck fermentation.
All our supplies are guaranteed for one year. Request for refunds occurring more than 30 days after the date of purchase on non-defective goods may be granted as a store credit if the goods are returned in their original condition. Yeast is perishable and should be refrigerated on arrival. No refunds are allowed on sales of living organisms such as yeast and bacteria.