I have to say Im very happy with my Ninja Thirsty Drink System. there are so many variations that can be made so my kids and I create different ones to try. It was very easy to get set up and comes with flavoring. It doesn't take u a lot of space on the counter which is great.I love the variety of flavors and that they have 0 calories and 0 sugar. You can adjust the carbonation as to what you prefer or have no carbonation as well. it has a removable water reservoir so it's easy to clean. The price is reasonable because it comes out cheaper than buying drinks at the store. Also by signing up for the refill club, I'll never run out of flavors which is awesome. It's a really great product.