Don’t Miss Live Online Workshop on Mastering Hybrid Grape Winemaking February 20. Three hours of tips and techniques. Also available later as video replay. Click here for event and registration details.

Resource

Chemicals & Ingredients Chart

Chemical / Ingredient Usage Recommended concentration Comments
Acid blend (tartaric, malic, citric) 3:2:1 Increase total acidity 1g/L Increase TA by 1 g/L
Ascorbic acid Anti-oxidant 2-3 g/hL Only to be used with sulphite
Bentonite Fining white and red wines. Fining sparkling wines. 25-100 g/hL 25-50 g/hL Dissolve in water
Bio-Clean Clean equipment 15 mL (1 tbsp) per 4 L of warm water n/a
Bio-San Sanitize equipment 15 mL (1 tbsp) per 4 L of hot water n/a
Casein Fining white wines and improve colour in white wines 50-100 g/hL Dissolve in water
Chlorinated cleaner (pink powder) Clean and sanitize equipment 5 mL (1 tsp) per 4 L of water Should not be used on plastic equipment or oak barrels
Citric acid Increase effectiveness of sulphite solution for sanitizing equipment 45 mL (3 tbsp) per 4 L of water Dissolve in warm water
Copper sulphate Reduce hydrogen sulphide 4 drops/hL using a 1% solution n/a
Dextrose or sucrose Increase potential alcohol level 17 g/L Increase potential alcohol level by 1.0%
Egg whites Fining red wines 5-10 g/hL Combine with a salted water solution
Gelatin Fining red wines 1-5 g/hL (increase up to 25 g/hL for high-pectin wines) Dissolve in water
Grape tannins Increase tannin content 10-30 g/hL (increase to 50 g/hL when fining high-pectin wines with gelatin) Dissolve in warm water
Hydrogen peroxide Reduce free SO2 content 50 g/hL (using a 1% solution) Reduce free SO2 content by 10 mg/L
Isinglass Fining white wines Liquid: 1 mL/L Powder: 1-3 g/hL Liquid: dilute in wine. Powder: dissolve in water
Kieselsol Fining white and red wines 25-50 mL/hL n/a
Metatartaric acid Prevent precipitation of tartrate crystals Up to 10g/hL Dissolve in water
Oak chips Add oak aroma to wines Whites: 1-2 g/L Reds: 2-4 g/L n/a
Oak extract (10% solution) Add oak aroma to wines Whites: 2 mL/LReds: 4 mL/L n/a
Pectic enzymes Fining wines Whites: 1-2 g/hL, Reds: 2-4 g/hL Dissolve in water
Phosphoric acid Reduce pH in high-TA wines 1 or 2 drops of 30% solution/L n/a
Potassium bicarbonate Reduce total acidity 1-2 g/L Reduce TA by 1 g/L
Potassium metabisulphite A. Crushing of grapes B. Must preparation (concentrated, sterilized, and fresh juices) C. Stabilization D. Bottling A. 100 mg/L B. 50 mg/L, C. 50 mg/L D. 50 mg/L A. Decrease to 5-10 mg/L of must for MLF. Dissolve in warm water B, C, and D. Dissolve in warm water
Potassium sorbate Prevent re-fermentation of bottled wines 10-20 g/hL Do not use in ML-fermented wines
Sodium carbonate (soda ash) Clean plastic equipment 8-12 g/L of water Dissolve in hot water
Sodium percarbonate Treat oak barrel spoilage problems 1-3 g/L of water Dissolve in hot water
Sodium metabisulphite Sanitize equipment 45 mL (3 tbsp) per 4 L of water Dissolve in warm water
Sparkolloid® Fining white and red wines 10-40 g/hL Dissolve in water
Sweetener-conditioner Sweeten a finished wine 12-25 mL/L of wine Prevent renewed fermentation
Tannisol Preserve/stabilize wine 1-3 tablets per hL n/a
Tartaric acid Increase total acidity or reduce pH 1-2 g/L Increase TA by 1 g/L or reduce pH by 0.1 unit
Yeast (active dried) Alcoholic fermentation 5 g for 4.5 to 23 L of must n/a
Yeast nutrients (diammonium phosphate) Enhance fermentation capability of yeast 10-20 g/hL Dissolve in warm water