FAQ

What grind size should I use for Rainbow Hopper?

Grind size depends on your grinder, so there is no single number. Tazzina translates the community grind to your exact grinder, or guides you to it by taste.

How do I dial in Rainbow Hopper?

Save a brew for your grinder and brew method, then tell Tazzina how it tasted. It walks you through what to change next, one step at a time.

Can I brew Rainbow Hopper on any brew method?

Yes. Tazzina saves each one separately, so every brew method and grinder you pair with Rainbow Hopper keeps its own brew, from espresso to pour-over.

What is Tazzina?

Tazzina is a free iPhone and iPad app for coffee. Save a brew for every bean, grinder, and brew method, dial it in with guided steps, and repeat the cups you love.