Image: Scientific Brewing Diagram: Yeast Pitching Rates for Pacific Ale

The image is a wide, landscape-oriented scientific illustration that presents a detailed brewing workbench focused on yeast pitching rates for Pacific Ale. The scene is rendered in a warm, hand-illustrated style that blends technical accuracy with an educational, poster-like aesthetic. At the center of the composition is a large wall chart titled "Yeast Pitching Rates for Pacific Ale," which visually compares healthy yeast, under-pitching, and over-pitching. The chart shows clusters of yeast cells, foam formation, and explanatory labels that describe fermentation speed and flavor outcomes, emphasizing an optimal target of approximately 10 million cells per milliliter.

On the left side of the image stands a stainless steel brew kettle equipped with valves, pressure gauges, and thermometers, representing the hot-side brewing process. Below it, a clipboard displays pitching rate calculations, including original gravity, batch size, and a total cell count requirement, reinforcing the scientific approach to recipe design. Nearby are sacks of malted grain and hops, visually grounding the illustration in traditional brewing ingredients.

The central work surface is lined with laboratory glassware, including Erlenmeyer flasks filled with actively fermenting yeast starter cultures. These flasks rest on magnetic stir plates, with visible swirling motion that suggests oxygenation and yeast propagation. Each flask is labeled to indicate its role in building a healthy yeast population prior to pitching. A digital controller and calculator sit nearby, underscoring the precision involved in managing fermentation variables.

On the right side of the image is a large transparent fermenter filled with golden Pacific Ale wort, capped with a thick krausen foam. Temperature ranges suitable for fermentation are clearly labeled, and hoses connect the fermenter to oxygen tanks and monitoring equipment. A microscope on the bench highlights the microbiological focus of the illustration, while petri dishes, pipettes, and small jars of yeast cells further reinforce the laboratory setting.

In the foreground, a colorful pitching rate graph visually summarizes under-pitch, optimal pitch, and over-pitch zones, making the concept accessible at a glance. A finished glass of Pacific Ale, glowing amber with a stable white head, sits to the side as a visual payoff, linking the scientific process to the final product. Overall, the image functions as both an educational diagram and a celebration of the intersection between brewing craft and fermentation science.

The image is related to: Fermenting Beer with White Labs WLP041 Pacific Ale Yeast