This little machine has literally been saving my sanity. I can't imagine how I managed without it before. I am hypothyroid and along with that comes a host of problems, including allergies and general sinus problems. I don't necessarily get sinus infections but I do get lots of congestion in my upper sinuses behind my forehead. It gets bad enough that I have horrible headaches, nausea and generally feeling very bad. There seemed to be no way to reach that congestion behind my forehead, in the past. I had even tried tipping my head BACKWARDS at a crazy angle in order to get solutions to run into those sinuses and that didn't even help. With this little gem, I use as directed, and as soon as all the solution is used up, I tip my head FORWARD as far as possible for a minute or so into the sink. This seems to loosen the congestion. When I'm having bad problems I may use it up to 3 times a day ! Because of all this use of the Sinugator, I was going through those little packs of solution like crazy. I ended up buying (on Amazon) a bag of Sodium Bicarbonate (baking soda) that is food grade, as well as a jar of Himilayan salt that comes with a nifty little spoon, just the right size for mixing 1 batch of solution. You need both, baking soda and salt for proper Ph level. I use water that I have boiled and cooled myself and put into gallon size containers. I heat enough water in a glass for approz 16 ounces, at 40 seconds. Just enough to take the "cool" off the water. I've tried without warming the water, and it's just to shocking. So hopefully this post will help someone else who has a similar situation as mine. I highly recommend the sinugataor, and even take it with me when traveling !