Here’s the link:
Oops, terrible reading comprehension, that 1:2 remark was related to a different solution. sorry…
EDIT - from their datasheet:
Usage Directions:
• Yellow Magic cleaners are to be used at 100% strength and may be used as
a spray and wipe
So use it as-is, straight from the bottle. I might try diluting 1:1 first just to see how it works out.