The P3 International Save A Drop Water Meter is a great tool for areas where exact watering is critical.  Is your water bill out of control. Part of the problem could be that you're over-watering your garden. Now you can take control of both with the unique Save A Drop® Water Meter. Simply attach between the faucet and hose and the easy to read meter shows you how much water you're using. It accurately measures both single waterings use as well as cumulative water usage to accurately meet your garden's (and wallet's) needs. Take the guesswork out of watering your lawn by attaching the meter to your sprinkler. Now you'll know the right time to turn your hose off. It's also great for greenhouses where exact watering is critical. With the Save A Drop Water Meter you can have a garden that grows while your water bill shrinks.