World's Easiest Hydrometer Kit

The world's easiest hydrometer kit, perfect for precisely measuring your ABV! We guarantee you'll be able to understand exactly how it works with our super-easy instructions and state-of-the-art online calculator. No math? No problem!

Free US shipping over $99+ available at checkout.

Optionally, pay a small fee for alternative options like UPS.

Please note: Orders placed Mon-Fri ship out the next day. Orders placed on Fridays after 3pm ship out the following Monday.

All orders placed on weekends (including express orders) ship out on the following Monday.