Essentials 3-Part
essentials 3 part


3-part comprehensive care for your reef aquarium

Have ATI Essentials 3-part system (not Essentials Pro) and need to get started?

28 essential elements

More than a basic dose

The predecessor to the even easier 2-part ATI Essentials Pro system, ATI Essentials is a 3-part semi-solution for your aquarium’s needs.Simply dose the 3 solutions in equal parts and your tank will be provided with 28 essential elements. 

Even easier with Essentials Pro

ATI Essentials has evolved into Essentials Pro, our 2-part system that makes dosing a snap. .
Essentials Pro 1 and 2

Comprehensive aquarium water care