The BrewNanny ($148+) will make sure your next batch of brew comes out perfectly. This little device monitors the fermentation rate, temperature, and even the light levels in your beer. It checks your beer hundreds of times per minute to makes sure none of these conditions threatens your beloved batch. But that’s not even the coolest thing; the BrewNanny will notify you of any issues 24/7 via the web, your cell phone, text, or email. Readings from each batch will be stored in your own personal database so you can use those profiles to make the best beer possible. You owe to yourself and your brew to check out the BrewNanny.