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.
Turn on the shower and check for leaks. If there is still water leaking down the shower wall, the leak may be in the joint where the shower arm connects to the pipe. Wrap a cloth around the shower arm and unscrew the arm from the wall, using an adjustable wrench.. Check the threads on both the shower arm and the shower head. If they are worn or cracked, replace the shower head with a new one. If they are not, the leak may be caused by the gasket.