I found a guy that would do it for $500 with not written report.

I don't need a Report, I just want an idea of what predator fish are surviving and what condition. Also see how the forage base looks..

I figure If I can shock up another 6 or so koi and sell them on craigslist it would pay for its self.

any idea the actual water temps might be best.

Goofing off is a slang term for engaging in recreation or an idle pastime while obligations of work or society are neglected........... Wikipedia