Yeah, you'll want to flush both ways on the wort side. For whatever reason, I usually get more out going from the output to input. My theory is that stuff gets wedged in going forwards.
As for the "correct" side, I was referring to making sure I was flushing the wort side. With all the same...
I have the Duda Diesel B3-23A 30 with 1/2" and 3/4" NPT. I like having the different sizes because it helps to prevent plumbing mistakes, although you can still mix up in and out if you're not paying attention. Note: I'm less concerned about cross-plumbing wort and water together as I am about...
Should I be worried about the small amount of what appears to be white lithium grease in the sprayer pump shaft? I too have the 1.5L GardenPlus from Lowes.
After going to use it today, my PBW had a substantial grease smell, so I tossed it and noticed it looks like about half the white lithium...