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Professor Jerry T McAdams

University of Louisville Speed Engineering School

HG Laboratories, LLC

Technical Director & Formulator

Please come back each week to see our series of Toxic VS Non-toxic

cleaning and cleaning products.


We want to hear from you! 


Send your questions to our Green Clean Professor.

Better Yet!

Come on out and meet Jerry with your questions!  He will have specials and giveaways too!


Professor McAdams teaching a class at Whole Foods Market

"Harmony Spring Green Clean"

Introductory Video - Three Reasons To Care!

HGL Video #2      Safety 

Professor Jerry McAdams HG Laboratory's Technical Director and formulator continue his discussion about toxic chemicals and the importance of all-natural household cleaner. This short video is about protecting your home from dangerous chemicals and indoor air pollution.


HGL Video#3    Sustainability

 The Sustainability of HG Labs' Harmony products VS other "Green Products" on the market today!

Watch Below!