fastidious

adjective4

1. •
   Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness.

   • He had at first tried to clean up as they ate, his fastidious nature kicking in, but Chris had told him to just stop, he was blocking the TV. — 2003
2. •
   Overly concerned about tidiness and cleanliness.

   • "If you are fastidious, clean previously used pots inside and out; if not, merely clean the outside (unless you are battling a pest infestation; then the inside will need scrubbing as well)." — 2010
3. •
   Difficult to please; quick to find fault.

   • You're too fastidious, and too indolent, and too rich. — 1908
4. •
   Having precise requirements for nutrition and environment (chemical and physical); especially, being difficult to culture because of those requirements.