fluid services make up a huge portion of profit for Honda dealerships,
and so they started the campaigns for their proprietary fluids, even
motor oil!!

i like Honda engineering, but i hate their marketing with a passion.

i've never visited a dealership or buy anything from them. i bought
OEM parts elsewhere if i need too. and i'm open to aftermarket parts.
Boy! you have no idea what kind of fluid i'm running on my 89 Honda
power steering!!!

the concentration of silicate in traditional green coolant is about 59
ppm, not much, but enough for Honda's scaring tactic to work!!  and
let me tell you the green dye just won't die!!. i drained the green
coolant and re-filled the radiator with amber/yellow antifreez and now
the whole thing is green! WTF?

it's the long life aspect of the PEAK LongLife coollant, and its
compatibility with all kind of proprietary coolants (except for diesel
egnines) that appeal to me..

http://www.peakantifreeze.com/referencechart.html

I've been following the thread on Honda brand antifreeze, and I noticed
the comments about Prestone not belonging in a Honda.

I noticed green antifreeze in my 93 civic that I bought from a friend
recently.  What potential hazards am I dealing with?  What's the best
way to get it all out if I'm going to replace it?