Liquid Nitrogen Measuring Stick/Ruler (Reads 1-50cm)

Highly durable plastic liquid nitrogen ruler specifically made for liquid nitrogen. Everyone that owns a semen tank SHOULD own one of these! These solve a LOT of headache and questions on the level of nitrogen in your tank. They measure 50cm and will work in 99.9% of semen tanks. Check out our YouTube channel on the correct way to measure your nitrogen level at Unlimited Genetics Inc. (measuring nitrogen level in semen tank).

Features

• Durable, Easy to use liquid nitrogen ruler
• Proper way to measure liquid nitrogen level of semen tank
• This is a MUST have product for semen tank owners