Tip: Grab the 4 pack sampler. There's a lot in there given the amount you need to use. Perfect for our needs. It's 100%, not the 4% aerosol cans you see for sale for $15.
The RED cleaner and rejuvenator is what you'll need and what people refer to as "Deoxit". That's really step 1.
The Gold (Contact Enhancer, Conditioner and Protetor) is the follow up step for gold type contacts.
The Green Fader Lube (Enhancer and lubricator) is the followup for faders. Like the servo contact strips Blade like to use in their servos.
The blue shield is a protector for the harsher climates.