Pro 2.01 – The 6 CHEK Foundation Principles Part 1 Wayne2020-04-16T15:07:09-07:00 HLC 1 Online: Professional Edition HLC 1 Pro Lesson 02: The 6 Foundation Principles and the Importance of Hydration Pro 2.01 – The 6 CHEK Foundation Principles Part 1 Previous Lesson Back to Lesson Next Topic