Image: Hydrometer Measuring Specific Gravity of a Wort Sample
Published: October 3, 2026 at 6:16:38 AM UTC
Close-up of a hydrometer measuring the specific gravity of golden wort in a clear cylinder, surrounded by brewing equipment, hops, grain, and a stainless-steel worktop.
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Image description
Landscape-oriented close-up of a clear, tall cylindrical testing vessel filled with transparent golden-amber liquid. A glass hydrometer floats vertically in the center of the vessel, with its weighted bulb submerged near the lower portion and its narrow graduated stem extending above the liquid and past the rim. The hydrometer has black printed scale markings and visible numeric labels including 0.990, 1.000, 1.010, 1.020, 1.030, 1.040, 1.050, and 1.060, although the arrangement of some markings appears visually inconsistent and should not be treated as an authoritative measurement scale. The liquid surface is approximately in line with the 1.010 region of the visible stem and has a thin ring of pale foam and small bubbles around the edges. Numerous tiny bubbles are also visible within the amber liquid. The vessel stands upright on a smooth gray metallic work surface. In the softly blurred background on the left is a large stainless-steel brewing vessel or kettle with a metal spigot and a dark handle. On the right is a clear glass bowl containing green pellet-like material and, farther forward, a white bowl containing pale beige crushed or flaked grain-like material. A folded white cloth with dark blue-gray stripes lies at the lower right edge of the frame. The background wall consists of large glossy white rectangular tiles with gray grout lines. The composition places the hydrometer and sample vessel sharply in focus at the center, while the brewing equipment and ingredients on either side are rendered with shallow depth of field. The scene is brightly and evenly lit, emphasizing the transparency of the glass, the warm golden color of the liquid, and the reflective stainless-steel surfaces. No brand names or logos are visible. The image itself does not establish whether the liquid has been pre-acidified or otherwise identify its chemical treatment; that property cannot be determined visually.
The image is related to: Fermenting Beer with White Labs WLP677 Lactobacillus Delbrueckii