Instruct: Classify Amazon reviews into positive or negative sentiment
Query: very happy!

Without enough time to do a proper irrigation with a neti pot or neil-med saline rinse bottle, I found this product worked very well. Product works great to cleanse your nasal pasages of allergens.Another reviewer mentioned having trouble with relieving congestion using it almost as a medicine, but I don't think it's meant to be used for completely blocked passages..perhaps a warm neti or bottle would work better for that situation, because simply saline is more of a daily preventative...so you don't get the blocked passages in the first place.I started it early in the allergy season morning and evening...I am mostly sinus headache free!!