Amber & British · BJCP 7B
Northern German Altbier
Copper-brown, firmly bitter and balanced by strong malt and caramel — a cool-fermented ale.
- Toasty malt
- Caramel
- Firm bitterness
Origin: GermanyDifficulty: IntermediateReady in: 4 weeks❄ Needs chiller
Recipe source: Castle Malting® — Northern German Altbier · view original ↗ (scaled to 20 L at 72% efficiency)
Against BJCP 7B guidelines
OG1.045
ABV4.8%
IBU34
SRM11.8
Stats calculated from ingredients (Tinseth · Morey) — real results depend on efficiency and water.
- OG
- 1.045
- FG
- 1.009
- ABV
- 4.8%
- IBU
- 34
- SRM
- 11.8
- EBC
- 23
Malt & sugar
| Malt & sugar | Amount | Share |
|---|---|---|
| Pilsner malt | 3.7 kg | 44% |
| Vienna malt | 3.4 kg | 40% |
| Carapils / Carafoam | 0.4 kg | 5% |
| Crystal 60L | 0.8 kg | 10% |
| Roasted barley | 0.1 kg | 1% |
| Σ | 8.4 kg |
Hops
| Hops | Amount | Use | Time |
|---|---|---|---|
| Magnum 13% AA | 46 g | Boil | 50 min |
Yeast
SafAle K-97 · 2 pack(s) (11,5 g) · Ferment at 15–18°C
Water (estimate for an All-in-One brewer)
- Total water
- 52.6 L
- Mash water
- 25.2 L
- Sparge water
- 27.4 L
- Pre-boil volume
- 45 L
Estimated ingredient cost for this batch
Reference retail prices from ABV Beer Shop · 24/09/2026
- Cost of what you use
- ₫716,000
- Retail purchase
- ₫827,000
- Per litre
- ₫17,900
- Per 330 ml glass / bottle
- ₫5,900
Show cost per ingredient
| Ingredient | Amount | Reference price | Cost of what you use | Retail purchase |
|---|---|---|---|---|
| Pilsner malt | 3.7 kg | Weyermann Pilsner · ₫46,100/kg | ₫170,570 | ₫184,400 (4 kg) |
| Vienna malt | 3.4 kg | Weyermann Vienna · ₫47,200/kg | ₫160,480 | ₫165,200 (3.5 kg) |
| Carapils / Carafoam | 0.4 kg | Weyermann Carapils · ₫60,000/kg | ₫24,000 | ₫30,000 (0.5 kg) |
| Crystal 60L | 0.8 kg | Weyermann Caramunich III · ₫60,300/kg(equivalent) | ₫48,240 | ₫60,300 (1 kg) |
| Roasted barley | 0.1 kg | Weyermann Roasted Barley · ₫65,800/kg | ₫6,580 | ₫32,900 (0.5 kg) |
| Magnum | 46 g | Hallertau Magnum · ₫87,500/100 g | ₫40,250 | ₫87,500 (1 × 100 g pack) |
| SafAle K-97 | 2 pack(s) | SafAle K-97 11,5 g · ₫133,100/pack | ₫266,200 | ₫266,200 (2 pack(s)) |
Retail purchase rounds hops and spices up to 100 g packs and malt up to 0.5 kg — leftovers keep for the next batch. Excludes power, water, CO₂ and cleaning chemicals. Prices may change.
Mash
- 63°CBeta rest (drier beer)45 min
- 72°CAlpha rest (iodine test)20 min
- 78°CMash-out2 min
Boil
Boil 60 minutes
Carbonation
2.5 vol CO₂
Fermentation
- 16°CPitch & primary fermentation2 days
- 18°CFree rise to finish5 days
- 8°CDrop to 8°C, settle / harvest yeast1 days
- 1°CCold conditioning12 days
Tips for success
- K-97 likes 15–18°C — cooling is needed in Vietnam.
- Converted from Castle Malting's (Belgium) 100 L recipe — Château malts replaced with equivalents.