Wine Acids, pH Testing & Acidity Adjustment

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About Fine-tuning acidity is one of the most effective ways to improve the flavour, balance, freshness, and stability of homemade wine. Our collection of wine acids, pH testing supplies, and acidity adjustment products includes everything you need to increase acidity, reduce excess acidity, measure pH and titratable acidity, and prepare wine for ageing or bottling. Not sure which acid to use? Read our Complete Guide to Wine Acids for a detailed comparison of tartaric, malic, citric, lactic, acid blend, and phosphoric acid, including their flavour profiles, best uses, stability, and effects on wine balance. Shop acid blend, tartaric acid, citric acid, malic acid, lactic acid, phosphoric acid, potassium bicarbonate, calcium carbonate, pH testers, acid test kits, pH test strips, sodium hydroxide reagents , and other products trusted by home winemakers across Canada. Everything You Need for Wine Acidity Adjustments Increase Wine Acidity Boost freshness and structure using tartaric acid, malic acid, citric acid, lactic acid, or acid blend depending on your wine style, fruit, fermentation plan, and desired flavour profile. Reduce Excess Acidity If your wine tastes overly tart or sharp, potassium bicarbonate and calcium carbonate can help reduce acidity and create a smoother, more balanced finish. Measure pH & Acidity Monitor wine chemistry with digital pH meters, pH test strips, acid titration kits, sodium hydroxide reagents, and calibration solutions for more accurate adjustments. Improve Wine Balance Proper acidity helps enhance fruit character, improve mouthfeel, support colour and ageing, strengthen sulphite effectiveness, and create wines that taste brighter and more professionally balanced. Choosing the Right Wine Acid Tartaric Acid Tartaric acid is the classic choice for grape wine. It provides clean, firm, wine-like acidity and is commonly used to improve freshness, lower pH, support colour stability, and strengthen the effectiveness of sulphite protection. Ma