500g Brick - CellarScience - RØKKAR Ale Yeast

RØKKAR: The Rapid-Fermenting Kveik for Subtle Tropical Fruit Esters

RØKKAR is a next-generation, rapid-fermenting ale yeast strain selected for its ability to quickly ferment wort and provide a subtle tropical fruit ester profile. It flocculates extremely well, forming a dense, solid yeast cake, and is capable of cutting conditioning times by up to 75%, delivering crystal-clear results faster than ever before.

🍍 Styles & Flavor Profile: Accelerated Clarity and Subtle Fruit Notes

RØKKAR’s unique characteristics—rapid fermentation, high flocculation, and clean profile—make it versatile enough for both modern hop-forward and traditional malt-driven styles.

Rapid Turnaround and Clarity

• Rapid Conditioning: Significantly reduces conditioning time by up to 75%.
• Clarity: Flocculates extremely well, forming a dense, solid yeast cake for improved clarity.
• Flavor: Provides a delicate tropical fruit profile which is further enhanced by fruit-forward hops.

Ideal for Brewing

RØKKAR’s extreme robustness and versatility make it suitable for a vast range of styles:

• New England & Hazy IPAs
• India Pale Ales (IPAs)
• Porters & Stouts
• Belgian-Style Ales

🔬 Performance & Technical Specifications

RØKKAR is exceptionally reliable across a massive temperature range, making it one of the most robust and versatile strains available.

Fermentation & Pitching Details

• Fermentation Range: Thrives across an extremely wide range of 18-35°C (65-95°F).
• Alcohol Tolerance: Extremely robust, capable of tolerating up to 15% ABV.
• Attenuation: Consistently achieves approximately 75-83% attenuation.
• Direct Pitching: Designed to be sprinkled directly onto the surface of your wort with no pre-oxygenation or rehydration required before pitching.

Packaging & Dosage

BIG BEN bricks are designed to provide maximum cell count for superior pitching rates and reliable fermentation every time.

Calculation for Larger Batches

• Use at a rate of 0.5-1g per Liter (approx. 50-100 g/hL).
• A 500g brick treast 5-10hL / 4.3-8.5 bbl
• Increase toward 1.5–2.0 g/L for high gravity or heavy ester production

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