I also found that the Cafe de chateau cold brew maker was over rated, its a nice pitcher with a decent filter, the cold brew turned out weak, I adjusted the grind on my Baratza from a 40 to a 30 and did a 1:13 coffee to water ratio ( about 70 grams coffee ) I brewed about 4- 6 hours on counter top then moved to fridge for additional 8 hours turned out better - just lacking. I am hoping the Hario Mizudashi does a better job at ready-to -drink cold brew -if so I will order another one. I returned my Cafe de Chateau.

I ordered the Hario Mizudashi, I am looking forward to trying it for rtd cold brew ( 1 : 13 ratio)

I do my cold brew concentrate in a Mason Jar