Beer Brewing Refractometer - 0 to 20% with ATC Grow Tents The connection port of the

The connection port of the spigot is treated with a flat surface

100% Breathability and Odor Control: Built with a breathable fabric that ensures complete air passage

With a 30” width

denoting the operational temperature always

Beer Brewing Refractometer - 0 to 20% with ATC Grow Tents The connection port of theThis hand held refractometer with automatic temperature compensation (ATC) is specifically crafted for brewing beer. Hand held optical refractometer measures the density of sugars in the solution and gives you an instant gravity readings at any point during the boil, or run off from the mash. You do not need to convert the reading from Brix to specific gravity or do an adjustments for temperature. Great for quick and frequent check on the gravity of