Net Diatom Hours and appointments

Net Diatom is open 24/7 365 online at


Our headquarters is open to the public during public operating hours at:


123 S 6th St, Marshall, IL 62441

All other entrances are closed from public access.


Tuesday to Friday 10:30 to 2:30 cst

and Saturday from 12 noon to 4 pm cst


and available by appointment for other times. 


Call 800-707-7820 to make an appointment. Office hours are subject to rapid changes as we grow.


We no longer see clients at any of the Chicago locations previously associated with our team