At what temperature is this hydrometer calibrated?

This Hydrometer is accurate when the temperature of the liquid is 60 degrees F. / 15.5 C. It comes with a chart in the container to adjust for higher or lower liquid temperatures to allow for adjustment.

Can I read the salt level in my salt water pool, if not what hydrometer would you recommend, thanks.

To measure salinity in a fish tank or pool, you'll need a different kind of hydrometer. Search for Red Sea Hydrometer on Amazon (pet/fish tank supplies), and you'll get the idea of the kind you need.

How tall is the hydrometer? I need to know how large of a jar to get. Thanks!

My hydrometer measures about 11 inches. The test jar I use is 100 ml.

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Description

⚗️ Brew smarter, not harder — master your gravity game!

DURABLE GLASS BUILD - Premium glass construction ensures longevity and easy cleaning for repeated use.
RAPID 500 MS RESPONSE - Instant readings to keep your brewing process efficient and on point.
COMPACT LIGHTWEIGHT - Slim 27.5cm length and just 50g for effortless handling and storage.
PRECISION TRIPLE SCALE - Accurately measures specific gravity across three scales for versatile brewing insights.
BATTERY POWERED ANALOG DISPLAY - Reliable analog readout powered by AAAA batteries—no digital distractions.

The FastRack Hydrometer Triple Scale offers precise gravity measurements from 0.990 to 1.160 with a quick 500ms response time. Crafted from durable glass and featuring an analog display powered by AAAA batteries, this reusable tool is designed for home brewers seeking accuracy and reliability in a sleek, lightweight form factor.

Specifications

Brand	FastRack
Colour	As shown in the image
Age Range (Description)	Adult
Included Components	1
Outer Material	Glass
Display Type	Analog
Product Care Instructions	Wipe Clean
Net Quantity	1.0 count
Power Source	Battery Powered
Number of Batteries	AAAA batteries required.
Response Time	500 Milliseconds
Reusability	Reusable
UPC	798527033518
Global Trade Identification Number	00798527033518
Manufacturer	Monster Brew Home Brewing Supplies
Model number	5451
Number of Memory Sticks	1
Item Weight	50 g
Product Dimensions	1.5 x 27.5 x 0.8 cm; 50 g
Batteries	AAAA batteries required.
Item model number	5451
Item Height	0.8 Centimeters
Item Width	27.5 Centimeters
Are batteries included?	No

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