{"schema":{"type":"ModernMazerRecipe","version":"1.0"},"canonicalUrl":"https://modernmazer.com/recipes/grape-cyser","jsonUrl":"https://modernmazer.com/recipes/grape-cyser.json","slug":"grape-cyser","name":"Grape Cyser","summary":"A complex hybrid built on wildflower honey with apple juice and Concord grape juice. Bridges cyser and pyment in one ferment. Targets 10% ABV with a semi-sweet finish. 5-gallon batch.","heroImage":null,"heroImageAlt":"A glass of deep purple grape cyser beside Concord grapes, apples, and a honey jar","author":"Modern Mazer","publishedDate":"2026-09-13","updatedDate":"2026-09-13","testingStatus":"development","evidenceStatus":"editorial","difficulty":"intermediate","style":"Cyser","tags":["mead","cyser","grape","apple","concord","hybrid","five-gallon"],"targetBatchVolume":5,"targetBatchVolumeUnit":"gallons","grossBatchVolume":5.5,"grossBatchVolumeUnit":"gallons","expectedProductionLoss":0.09,"targetABV":10,"originalGravity":1.075,"finalGravity":1.004,"sweetnessLevel":"semi-sweet","carbonationLevel":"petillant","ingredients":[{"id":"honey","name":"Wildflower honey","quantity":8,"unit":"lbs","notes":null,"optional":false,"scalingBehavior":"linear"},{"id":"apple-juice","name":"Fresh-pressed apple juice (no preservatives)","quantity":2,"unit":"gallons","notes":null,"optional":false,"scalingBehavior":"linear"},{"id":"grape-juice","name":"Concord grape juice (no preservatives)","quantity":1,"unit":"gallons","notes":null,"optional":false,"scalingBehavior":"linear"},{"id":"water","name":"Filtered water","quantity":0.5,"unit":"gallons","notes":null,"optional":false,"scalingBehavior":"linear"},{"id":"fermaid-o","name":"Fermaid-O","quantity":10,"unit":"g","notes":null,"optional":false,"scalingBehavior":"manual"},{"id":"fermaid-k","name":"Fermaid-K","quantity":5,"unit":"g","notes":null,"optional":false,"scalingBehavior":"manual"}],"yeast":{"name":"Lalvin 71B","brand":"Lalvin","quantity":1,"unit":"packets","notes":null},"nutrientSchedule":[{"timing":"Day 0 (pitch)","nutrient":"Fermaid-O","quantity":2.5,"unit":"g","notes":null,"scalingBehavior":"manual"},{"timing":"24 hours","nutrient":"Fermaid-O","quantity":2.5,"unit":"g","notes":null,"scalingBehavior":"manual"},{"timing":"48 hours","nutrient":"Fermaid-O","quantity":2.5,"unit":"g","notes":null,"scalingBehavior":"manual"},{"timing":"1/3 sugar break","nutrient":"Fermaid-O","quantity":2.5,"unit":"g","notes":null,"scalingBehavior":"manual"},{"timing":"Day 0 (pitch)","nutrient":"Fermaid-K","quantity":5,"unit":"g","notes":null,"scalingBehavior":"manual"}],"equipment":["6-gallon fermentation vessel","Airlock and stopper","Hydrometer","Thermometer","Sanitizer","Auto-siphon and tubing","Carbonation equipment","Pressure-rated bottles"],"process":[{"step":1,"title":"Sanitize all equipment","description":"Prepare no-rinse sanitizer. Sanitize all vessels and tools.","note":null},{"step":2,"title":"Build must","description":"Dissolve honey in 1 gallon of warm water. Cool. Add to fermenter with apple juice, grape juice, and remaining water to 5.5 gallons.","note":null},{"step":3,"title":"Take OG reading","description":"Record original gravity. Target approximately 1.075.","note":null},{"step":4,"title":"Pitch yeast and nutrients","description":"Pitch Lalvin 71B. Add Day 0 nutrients. Ferment at 60–65°F.","note":null},{"step":5,"title":"Staggered nutrient additions","description":"Follow TOSNA schedule. Degas before each addition.","note":null},{"step":6,"title":"Monitor fermentation","description":"Check gravity every few days. Fermentation typically completes in 3–5 weeks.","note":null},{"step":7,"title":"Rack to secondary","description":"Rack off lees.","note":null},{"step":8,"title":"Condition and clarify","description":"Condition for 2–4 months.","note":null},{"step":9,"title":"Carbonate and package","description":"Carbonate to approximately 1.5–2.0 volumes CO2. Package into pressure-rated bottles.","note":null}],"fermentationTemperature":"60–65°F (15–18°C)","fermentationTimeline":"3–5 weeks","conditioningTimeline":"2–4 months","packagingInstructions":"Ensure fermentation is fully complete before carbonating. Use vessels rated for carbonation pressure.","safetyNotes":["Never seal a bottle of mead that has not fully finished fermenting.","Apple and grape juice must be preservative-free.","This recipe produces a carbonated beverage. Use only bottles or kegs rated for carbonation pressure.","Sanitize all equipment that contacts the must or finished mead."],"scalingNotes":"Honey, apple juice, grape juice, and water scale linearly. Nutrient additions do NOT scale linearly.","version":"1.0.0","changeHistory":[{"version":"1.0.0","date":"2026-09-13","summary":"Initial record. Phase 4C Batch 3 supplement.","changedBy":"Modern Mazer"}],"relatedRecipes":["honey-cider-cyser","red-grape-pyment"],"relatedTutorials":[],"references":[{"title":"TOSNA 3.0 Nutrient Calculator","url":"https://www.meadmakr.com/tosna-calculator/","author":null,"year":null,"notes":null}]}