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Your cart is empty.Made to our specifications of laboratory grade Borosilicate glass for testing higher proof products, this cylinder measures 12" tall x 1". The 3" diameter base has 3 contact points to resist tipping. Because this specialized cylinder is intended for quick and clear hydrometer readings there are no graduations to obscure your instrument, and the narrow 1" diameter bore means you can take an accurate reading with less product than a normal graduated cylinder. Comes with pour spout and heavy fire-polished rim to resist chipping.
Jim Mulkern
Reviewed in the United States on February 22, 2025
It’s a really nice test jar. Having it all glass makes it a bit fragile but significantly nicer than a plastic one. It was very reasonably priced and works well. See in the picture attached it is tall enough to fit a full sized hydrometer with ease!
J.M
Reviewed in the United States on July 18, 2023
Exactly the capacity needed for a hydrometer reading without excessive waste. 250ml cylinders are far too big for taking hydrometer readings. This 100ml, absolutely clear cylinder is perfect. It's rugged and heavy borosilicate glass make it nearly indestructible to every drop, except onto bare concrete or ceramic tile.
Josiah Walton
Reviewed in the United States on May 12, 2023
While the graduated cylinders you get with various hydrometers are ok, they are larger volume, opaque, and have external volume demarcations that obstruct a clear reading from the floating hydrometer. This cylinder is transparent glass and small volume. I no longer feel guilty drawing a sample near the end of fermentation, but prior to the beer being fully done, for a sample. The glass is relatively thick and sturdy as well. The revenue picture is for a hydrometer with just enough beer to get a reading for a 1.010 gravity reading. Highly recommend.
José J. Amador, Phd
Reviewed in the United States on October 4, 2023
Well made with a nice thick piece of glass.
BsureB4Uclick
Reviewed in the United States on August 16, 2022
My Hercules hydrometer needed a new home after the plastic beaker cracked at the base, so I knew zip needed better material than that for its replacement. More than I bargained for in every way. The Hurk fits beautifully leaving little room for liquid, which I think makes reading much easier, due to less bubbles. It just adds an elegance and improves my mood even just looking at it!
Tracie's View On It
Reviewed in the United States on August 11, 2022
Other cylinders I considered held too much liquid or the graduations would interfere with my hydrometer readings, among other things. Once I found this one I knew it was the one I needed. I immediately ordered it and it came shipped in a very sturdy box with the top safely wrapped in heavy paper. Upon further inspection I did notice some scratches in the glass and thus returned it. A replacement one just arrived and it also has a long scratch. I have decided to keep this one as the scratch, although much longer, seems less likely to cause problems. Just wanted people to know about the scratches in case it's important to you. Overall though I highly recommend this test cylinder.
D. Vee
Reviewed in the United States on March 17, 2022
Don't use plastic ones. This glass test jar is perfect. The plaster ones will break or crack over time and feel cheap. This is a quality product and will last years and years if you take care of it. There's nothing like glass over plastic.
Tony Rolfe
Reviewed in the United States on June 22, 2021
Nice quality. Heavy glass.
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