Thinking of trying D115, I am fairly new and have been using Cg eco wash. Its a good product, but I want to stick to all the meguiars stuff.
The CG wash dilutes 16:1 and is about $90 a gallon.
D115 is $62 here but says to dilute at 4:1, but then I read where they say you can go up to 20:1...