No login, no email required. Physics-based calculators that give you the exact numbers for your specific setup.
Enter beverage type, temperature, and desired carbonation. Get exact PSI, CO₂ volumes, time estimate, and step-by-step method instructions. Based on Henry's Law.
Open CalculatorSodaStream exchange vs. third-party refill vs. 5 lb tank upgrade. See 1, 2, and 5-year totals plus your exact break-even timeline.
Open CalculatorScale any homemade soda syrup to any batch size. Adjust sweetness level and get exact ml of syrup and sparkling water for your recipe.
Open CalculatorWhich cylinders are compatible, where to refill locally, what it costs, and whether third-party CO₂ is actually safe.
Read Guide →Exact PSI targets for sparkling water, beer, soda, kombucha, cider, cocktails — at every temperature. Plus time-to-carbonate estimates.
View Chart →Real risk levels, ventilation requirements, warning signs of CO₂ buildup, and a printable safety checklist for home carbonation setups.
Read Guide →Every method — SodaStream, set-and-forget keg, shake, burst, carbonation caps — with exact steps and troubleshooting.
Read Guide →The five most common causes of flat carbonation and exactly how to diagnose and fix each one.
Read Guide →What parts you need, step-by-step setup, and a break-even calculator. The highest-ROI modification for regular users.
Read Guide →Everything you need on one printable page: CO₂ safety checklist, PSI reference chart by beverage, cylinder inspection guide, and beginner syrup dilution ratios.
⬇ Download Free PDFReal ingredients, not flavor packets. These syrups pair with any home carbonation system.
Fresh ginger, lemon, citric acid. Real ginger flavor — not ginger extract.
Real cinchona bark quinine syrup. Transforms any gin and tonic.
Ruby-red, tart, and stunning. Made with dried flor de Jamaica.
Citrus oils, warm spice, vanilla, and acid — the complete cola flavor profile.
The single most impactful carbonation fact: CO₂ dissolves into cold water roughly twice as efficiently as warm water. Chill your liquid to 34–38°F before carbonating — you will use half the CO₂ for the same result.
Henry's Law, nucleation, CO₂ volumes, and why cold water is the most important variable.
Exact PSI targets for every beverage type at every temperature.
Natural second ferment vs. force carbonation — and how to avoid bottle bombs.
