NOTE: Adjust acid only if you have an acid test kit. To the crushed grapes (must), add yeast nutrient, pectic enzyme and crushed Campden tablets, as specified in ingredient list for every 25 lbs of grapes, or adjust for your amount of must.
It isn't as accurate as SG reading but it is easier to read on most hydrometers. You may also use this reading to adjust sugar required. reading (Step 3) to get an estimate of alcohol by volume. NOTE: The final alcohol content may be determined by using the Potential Alcohol scale readings corresponding to the original and terminal Balling readings. Continue taking hydrometer readings and adjusting sugar and liquid amounts until you have 6 1/2 gallons of must with a SG reading of 1.113 - 1.123 or PA reading of 15 - 16. Dissolve the required amount of sugar in must or water and add it to the primary fermentor. If it is less than 1.113 - 1.123, add 1lb sugar at a time. (It should float freely, not touching the sides or bottom.) At eye level, read the figure on the SG scale of the hydrometer where the liquid surface cuts across the stem. Spin or tap the hydrometer to dislodge air bubbles and let the hydrometer come to rest. Remove enough must (unfermented juice) to fill the hydrometer test jar. STEP 3: Hydrometer Testing and Adjustment Leave yourself some "headroom" in your primary, as when the wine starts to ferment it will grow in volume and foam. Add cool water (unheated) to the 5 1/2 gallon mark on the primary fermentor. sugar in 2 gallons of warm water and add to primary fermentor. (Remainder of sanitizer solution can be kept in a sealed container for future use.)Ĭrush fruit in primary fermentor using a crusher or wooden paddle (remove stems after crushing). Rinse sanitizing solution from all equipment and utensils with clean cool tap water. Sanitize all equipment and utensils by coating surfaces with sanitizer solution and waiting 10 minutes. Mix 1/4 cup Sodium Bisulfite or five crushed Campden tablet in a one gallon jug of water.
Starting PA (Potential Alcohol) - 15 to 16Īcid Reading. Starting SG (Specific Gravity) - 1.113 - 1.123
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