Cold Brew? • cold brewed coffee is much less acidic, making it smoother to drink over ice. The long soaking time brings out the coffee flavors. It doesn’t require any fancy equipment! all you need is a jar, spoon, coffee filter, and strainer. Don’t be fooled by cold brew contraptions. You don’t need them. •You can make as large of a batch as you want. You can store it in the fridge for up to 2 weeks without losing freshness.