Our hot hose down is extraordinarily slow. We check the hose and see white pellet.? They are caked in here. We clean it out but it...

They are caked in here. We clean it out but it comes stern. Is this the result of "hard water". What can be done? Any websites would be willing to help
Answers:    sounds like you hold a bad defence of sediment build up... yes, this is unfortunately the result of sturdy water. if you enjoy had your marine heater for years, flushing it out will not assistance for you will not remove all the build up caked at the bottom of the cistern.does it rumble ?? will need to replace your hose down heater -
Sounds approaching it is the "dip tube". It is on the cold water inlet side of the river heater and they are replaceable cost smaller number then $10.00 It is here to put the cold water within at the bottom of the tank. You are probably notice the hot water doesn't ending as long as it use to