Most users of bathtubs do not concern themselves with the nitty gritty of the workings of the tub. Some who do not have Bathtub Surround does not know that there should be a barricade against water seepage. So what you do not know is that there is water loss already. A bathtub surround is an innovative tool to lock in water within the are a of the tub. So you are retaining water while taking a long bath in your bathtub. Of course when you retain water you conserve water. Plus you can be assured of stain defiancy and it will become hardwearing and manageable.