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SPECIALS
Oil Additives
Fuel Additives
Transmission Additive
Engine Oil
Gear Oil
Transmission Fluids
Spray Lubricants
RV Products
Oil & Fuel Analysis
Frantz Oil Filters
Gun and Bow Oil
Antifreeze
Apparel and Stickers
Markets
Diesel
Semis
Gasoline
Construction
Agriculture
Motorcycle
RV
Racing
Marine
Outdoor
Small Engine
About
Contact
Shipping & Return Policy
Guarantee
Affiliate Signup
Rebate
Military, First Responders & CDL Drivers
Careers
Leadership
FAQ
Resources
Product Guide
News
Events
Blog
Testimonials
Find a Store
THE STEVE SOMMERS OVERNIGHT DRIVE
Videos
Fuel Your Mind Video Series
Brand Guidelines
Dealer Portal
Diagnose Your Diesel
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I use Everyday Diesel Treatment every full up. I just picked up some Diesel Extreme. Do I mix both together? Or stop the Everyday Diesel Treatment for one full up to put in the Diesel Extreme.
