Q: When I buy kombucha, I notice that it's nice and fizzy about half the time, and the other half, totally flat. Does anyone have tips on picking the fizzy bottles? Is this even possible? At about $4 a bottle, I'm tired of falling flat in the kombucha department. Thanks!

Sent by Gretchen More

Q: We recently received this 1920's Hotpoint toaster as a gift, in "as-found condition." It has a bit of a grimy, greasy coating on the outside and may have been stored in a garage or barn. What is the best way to clean this vintage toaster so it can be used again for making toast? More

Whether you're looking for the best refrigerator for a small kitchen or the proper way to clean wood cutting boards, our readers are always ready with helpful advice for finding the tools and equipment worth buying, and instructions for keeping them in good shape for years to come. From cheaper alternatives to All-Clad cookware to the best methods for keeping a cast iron skillet seasoned, here are 18 products readers were shopping for this year, plus 7 ways to keep your kitchen equipment clean and well-maintained. More

Q: We recently lost our cheap, Craigslist-purchased microwave when a bag of popcorn went up in flames. Does anyone have suggestions for budget-friendly, powerful microwave to replace it? Thanks!

Sent by Arielle More

Q: I am looking for a great cookbook that explains different cooking methods as well as the science behind why certain things are prepared a certain way. If it would also explain why certain ingredients work better than other in certain recipes I'd be over the moon. Any suggestions? More

Q: I need new plastic cutting boards. (My wooden boards are going strong.) Which brands and styles are recommended for durable, dishwasher-safe cutting boards?

Sent by Sara More

Q: A friend of mine recently eliminated dairy from his diet for health reasons. He's a novice cook, so I'd like to get him a cookbook with easy, non-vegan, dairy-free recipes. Any suggestions?

Sent by Caroline More

Q: I'd love to make cookies or other edible gifts for my kids' teachers, but heard that many teachers may just prefer gift cards. Any teachers reading The Kitchn? What would you like for holiday gifts?

Sent by M More

Q: My roommate recently used my aluminum baking sheet and instead of cleaning it with soap, he let oven cleaner sit on it for about an hour to break down the grease. Now the finish on my pan is dull and splotchy and I'm not sure if it's safe to use anymore. Did he ruin my baking sheet? More

Q: I am looking for a smoker to make smoked salmon and have no idea where to start. I'd like to cold-smoke the salmon Norwegian-style. Can you help? It's smoked salmon season in my home!

Sent by Paige More