The solid glass cylindrical test tube is crafted out of a single piece of lab-grade pyrex and is marked for easy measuring for ‘Specific Gravity readings. Pour in your wort, place the hydrometer in the test tube, give the hydrometer a spin to remove air bubbles and measure the gravity.
WHY OUR HOME BREW BEER GLASS TEST TUBES ARE DIFFERENT:
- Made out of a single piece of lab-grade pyrex
- No risk of contamination and is dishwasher safe
- Easy markings for accurate measurements
- Perfect for yeast harvesting from your Small Batch brews
- Start your very own wild yeast bank