How to Use A Refractometer to Test Glycol Concentration

A heating or cooling system with diluted glycol will have undesired performance. Here's how to test your system's glycol concentration with a refractometer. For more information check out this Service Tips of the month at www.deppmann.com/blog/monday-...

[@mjj4246]

where are you getting -25? isnt it -35

[@inlandac]

Good video. Next please do one on adding a pot feeder & filter

[@MumtazJilani]

Hi can you tell me how to measure DiProplyneGlycol Quantity in Perfume Compound!

[@jacobdawson1318]

Where can I find a copy of the conversion chart?

[@ladykilla6]

Would it be possible to test triethylene glycol entrained with hydrocarbons ?

[@GatheringSticks]

do most heating systems use colored Glycol?
If I pull a sample and its clear does that mean I'm running just water?

[@skylerclyne6542]

Usually commercial buildings will have colored glycol in their systems but I’ve seen clear from time to time.

[@Squallboogie02]

You sure it was -25 and not -35?

[@dannymccabe324]

Thats what I thought