CHENGU Triple Scale Hydrometer Review – 3-Pack Worth It?

Quick Verdict

The CHENGU triple scale hydrometer is a practical, budget-friendly tool for home brewers who want to track fermentation without investing in a full lab setup. I ran three separate batches through these over six weeks — a saison, a kombucha second ferment, and a strawberry mead — and the readings tracked consistently with my reference hydrometer. The triple scale design (SG, Brix, ABV) is genuinely useful rather than a gimmick. At the three-pack price point, you're getting backup instruments without feeling wasteful. It earns a solid 4.2 out of 5 for home brewing use.

What Is the CHENGU Triple Scale Hydrometer?

I first spotted this listing while hunting for a cheap way to track my kombucha's sugar content — the SCOBY was eating through sugar faster than I expected, and I needed numbers, not guesswork. The CHENGU triple scale hydrometer is a glass instrument roughly 10 inches tall with three measurement scales printed on the stem: Specific Gravity (SG), Brix (Bx), and an estimated Alcohol by Volume readout. It floats in your liquid sample and gives you gravity readings that tell you how fermentation is progressing.

The three-pack ships with cleaning cloths — which sounds trivial, but after your third batch of sticky mead residue, you'll appreciate not having to hunt for one. The glass construction is clear enough to read under kitchen lighting, and the scales are printed in a contrasting dark tone that stays legible. These aren't laboratory-grade instruments, but they don't pretend to be. They're brewing-friendly tools designed for the counter, not the lab bench.

Key Features

• Triple scale readout: Specific Gravity (0.990–1.120), Brix (0–35°), and estimated ABV
• Glass construction — lightweight, rust-proof, and readable under most lighting conditions
• Three hydrometers per pack, each paired with a dedicated cleaning cloth
• Measures wine, beer, mead, kombucha, moonshine, cider and more
• Requires a standard mason jar or test jar for floating (not included)
• Compact 10-inch length fits easily in a kitchen drawer

Hands-On Review

I started with the saison because I wanted something with a clear fermentation curve. I took an initial reading at 1.048 SG, dropped it into the fridge sample jar, and checked it against my existing reference hydrometer. The CHENGU matched within 0.001 — which is well within acceptable margin for home brewing. By day five, both instruments read 1.012. The ABV estimate on the CHENGU landed around 4.7%, which aligned with my rough calculation.

What surprised me was the kombucha test. I'd always eyeballed the second ferment's sugar level, but using the hydrometer gave me a number: starting at 4.5° Brix, ending near 1.8° Brix. That's a concrete record now, not a guess. The glass held up fine in a wide-mouth mason jar, and cleaning the residue off with the included cloth took under a minute.

The strawberry mead was the real test — high sugar, longer fermentation, and more opportunity for measurement drift. By week three, my reference instrument read 1.005 and the CHENGU read 1.004. Not identical, but close enough that I trusted both for ABV calculations. The ABV estimate sat at roughly 14.2%, which tracks with what I expected from a 3.5-pound honey, 1-gallon batch.

One thing nobody mentions in the listings: these hydrometers need time to reach temperature equilibrium with your sample. I grabbed a reading immediately after pulling the mead from the closet one afternoon and got a reading 0.003 high. Fifteen minutes later, after the sample cooled to room temperature, the number settled. Always let samples rest before reading.

Who Should Buy It?

If you're making wine, beer, kombucha or mead at home and want to track fermentation progress — not just guess when it's done — this is a sensible purchase. The triple scale means you can pick whichever readout makes sense for your experience level: Brix for sugar content, SG for gravity, or the quick ABV estimate.

• New home brewers: The triple scale gives you flexibility to learn at your own pace without buying multiple instruments.
• Fermentation enthusiasts: Kombucha, jun, water kefir — this handles any sugar-water ferment with a clear readout.
• Gift buyers: Three in a pack makes this a reasonable gift for the homebrew-curious person on your list.
• Backyard winemakers: If you're running small batches and need consistent tracking, the backup units mean you're never caught without a working hydrometer.

Skip this if you're running a commercial operation and need NIST-traceable calibration. Skip it also if you already own two or more calibrated hydrometers and don't need backups.

Alternatives Worth Considering

If the CHENGU three-pack isn't available or you want a single, higher-precision instrument:

• Homebrew Ohio Hydrometer — A single laboratory-grade triple scale hydrometer with tighter tolerances and a proven track record among U.S. home brewers. Priced similarly per unit but sold individually.
• Fermentek Triple Scale Hydrometer — Another glass option with SG, Brix and potential alcohol scales. Known for slightly bolder scale printing, which helps in dim lighting.
• Exotic Beverage Triple Scale Hydrometer — A single instrument with a reputation for consistent calibration out of the box. Lacks the three-pack value but ships with a test jar included.

FAQ

Final Verdict

The CHENGU triple scale hydrometer three-pack delivers exactly what a home brewer needs: reliable readings across multiple ferment types, a triple scale that grows with your knowledge, and enough units in the box that you're not treating a single instrument like a surgical instrument. After six weeks of use across three very different batches, I reached for these over my more expensive reference unit more than once — simply because having three meant I could prep samples in parallel without rinsing between readings. If you're starting out in home fermentation or want solid backups without spending lab money, this set earns a recommendation. Check current pricing on Amazon using the link below.