Grind size is the one variable that causes more bad cold brew than anything else. Too fine and you get a muddy, bitter, over-extracted mess with a filter that takes forever to drain. Too coarse and you get something that tastes like coffee-scented water. The target is coarse – think coarse sea salt or breadcrumbs, … Read more
Short version: grab a medium or dark roast, coarsely ground, from somewhere like Brazil, Colombia, or Sumatra. That’s the safe bet. But if you want to know why – and how to pick something better than “safe” – here’s the rest of it. Roast Level: What Actually Works Roast level What you get in the … Read more
Short answer: yes, the Toddy Cold Brew System works for tea, and it’s built to. Toddy’s own instructions include a tea recipe right alongside the coffee one, and the same immersion-brewing mechanism that makes smooth, low-acid coffee concentrate works just as well on loose leaf or bagged tea. Here’s how to do it properly, tea … Read more
Short answer: undiluted cold brew concentrate lasts up to two weeks in the fridge, sealed in an airtight container. Once you dilute it with water, milk, or ice, treat it like regular brewed coffee — drink it within 3–4 days. Here’s the full breakdown of what affects shelf life and how to tell when a … Read more
A 1:4 ratio cold brew concentrate runs roughly 150–300mg of caffeine per 12 oz before dilution — once you cut it 1:1 for drinking, that’s about 75–150mg per 12 oz serving, in a similar range to a strong cup of drip coffee. The exact number depends on the bean, roast, and how long you steep. … Read more
A Toddy felt filter is a wear item, not a lifetime part — expect to replace it every few months with regular use. Here’s how to know when it’s time, whether to stick with felt or switch to paper, and how to swap one in. How Long a Felt Filter Lasts With proper rinse-after-every-batch and … Read more
Cold Brew At Home