Save water and find silent leaks with The Drip Kit, a two-in-one kit for measuring leaks and finding hidden leaks in toilets. Complete with instructions. - Your faucet fixtures and showers say that send out a certain amount of water, but is that really accurate? Are you wasting water (and money) without even knowing it due to a faulty flow controller or an old aerator? With our flow gauge measuring bag, you can quickly and easily find out for sure. Knowing how much water you're using is the first step in water conservation. By finding out how much water your fixtures use, you can make smart decisions about upgrades.