David H. Paul, Inc.’s (DHP’s) resource app for professionals in the water treatment industry. Features include:

The Periodic Table of Elements
Conversion Factors and Calculator
RO Unit Equations
List of Common Ions and Ionic Charges related to the water treatment industry
List of Chemical Compounds
Glossary of Terms commonly used in the water treatment industry
DHP's RO Specialist Certification Program
DHP's Online Training
DHP's Water Treatment Certification Program (WTCP) Training
Pre-Recorded Webinars
Access to Online Consulting with DHP Certified Instructors
DHP's Seminar Schedule and Registration
Training for TCEQ CEUs in the state of Texas