Since moving to Van Isle 10 years ago from YYC and starting to ride year round with half the year being wet my chain maintenance regieme has evolved or devolved [depending how you look at it] to the following:
- buy cheapest SRAM chain I feel good about
- wipe down after every ride
- lube before next ride in winter
- lube once every 3-4 rides summer
- use whatever runny liquid lube falls to hand [Pro Gold/Triflow/etc...]
- measure chain wear regularly
- replace chain at first sign of significant wear
No other chain cleaning. My drivetrains last a long time. Shifting remains good.
I do not use a hose to wash my bike unless it's truly mud-pocalypse. Typically I let bike dry and brush dirt off then wipe down supension/dropper. Using Mudhugger fenders keeps most $$ bits relatively clean even in wet winter conditions.