Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Saves a lot of water

My water bill went from 77.50 every 3mos. to 63.50. a savings of over 30%With much better water pressure. feels almost like you where in a Jacuzzi tubAlso my usage went from 13000 gallons to 8000 gallons every 3 mos. I figure it will pay for itself in less than 1 yr..