sponge. 1. a porous, absorbent mass, as a pad of gauze or cotton surrounded by gauze. 2. the elastic fibrous skeleton of certain species of marine animals. absorbable gelatin sponge a sterile, absorbable, water-insoluble, gelatin-base material, used as a local hemostatic. (spÅ­nj).
The water heater is the first place to start when there is no hot water in the shower. A shower should be counted on to be good and hot when you need it to be. But keep in mind that the hot water coming from a shower is coming from your hot water heater tank.etermine if the problem is whole-house related or just affecting the shower. Turn on every hot water faucet and check the temperature of the hot water. If they all start out hot but cool quickly, a burner in the water heater may be the cause. If they never get hot, a faulty dip tube may be the problem.
1 Use a thermometer that can show high temperatures, like a meat or candy thermometer. 2  Turn on the hot water tap in your bathroom. 3  Let it run for two minutes. 4  If you have used a lot of hot water in the past hour, wait two hours before you do this test. Put the thermometer in the cup. 2  Look at the temperature. 3  If it is higher than 49 o Celsius (120 o Fahrenheit), you need to lower your water temperature. 4  If you have found that your hot water is too hot, here is what to do to lower your hot water temperature.