Save A Drop™ Water Meter It is widely accepted that talking to your plants is great for their health. If they could speak to you, what would they say? Probably that they re being over-watered. Meet your garden s wants and needs with the Save A Drop Meter. Prevents over-watering. Easy to read LCD display. Calculates both single-use and total water consumption. Accurately measures to a 1/10th of a gallon. Rugged waterproof housing Over-hydrating plants and shrubs can diminish plant health. Use the easy to read meter to measure how much water is flowing out of the hose. While in use, it calculates.