Science

Experimenting with Cold Brew Coffee

Do you really need a fancy, specially-designed gadget to brew up a batch of cold coffee? Or can you just use your trusty ol’ press pot? While we carry a couple of different cold brew options (from Hario and Sowden),…

Milk Steaming Tips

One of the wiliest dragons to slay in the home espresso universe is milk steaming — there are basic tenets one must follow, but from there it’s just practice, practice, practice. The kind of machine you’re using will play a…

SCG’s Great Stovetop Experiments

There is nothing quite like taking a random suggestion and putting it to the test! During our original stovetop prep video, Rade mentioned using sparkling water to achieve some form of crema from the espresso and we also received a…

Testing: Steaming Lactose Free Milk

We had a viewer query regarding lactose free milk: Was his inability to get great microfoam caused by the nature of the lactose free milk or did he just need to practice more? Milk is magically (OK, scientifically) transformed into…

Testing Freezer-Stored Coffee Beans

One of the most frequent questions that we’re asked is regarding how to best store coffee beans in order to keep them fresh. We have done several videos testing how beans hold up over time in their roast bags or…

Airscape Storage – 2 Month Test

How do freshly roasted beans hold up in the Airscape after two months? We put a batch of Velton’s Bonsai Blend to the test to see if sealing them away — and not opening them again for two months —…

Crema Stability Testing

Unless the roaster is using some type of preservative measure (such as the nitrogen flush used by large roaster Lavazza), coffee starts aging within its sealed bag from the moment it’s roasted. We set aside bags from March and June…

New! Cirqua AB Formula Water Treatment Capsules

The SCAA (Specialty Coffee Association of America) recommends 1.15% – 1.35% coffee solids for an ideally flavored cup of coffee. That leaves ~98% of the flavor up to the water itself — something not a lot of people talk about. Some folks want to reduce the descaling maintenance required by using distilled water or water that is put through a reverse osmosis system that has no mineral content in it, meaning it won’t contribute to scale build up on the equipment.