After years of fast chilling I seem to be having issues the last few brew days. I haven't checked the temperature of my well water but I can't imagine it's suddenly gotten warmer 200 feet below the surface.
Last couple of brew sessions I seem to be challenged to get the wort chilled much below 70F. In the past mid 50s was no issue because my well water has always been 56F.
I'm wondering if maybe the chiller needs a better cleaning? Maybe there's some gunk in there that's not allowing the cold and hot sides to interact as well?
I'll run some boiling PBW through it and see if I get anything interesting out. Any other plate chiller users had this issue?
edit: Just checked and the water coming out of my faucet, indoors, is 59 so this makes no sense to me...