It's terrible. Don't touch it. Or drink it. Or look at it. It might spontaneously combust and kill you.
Yes it is really bad for your hair if you put hot water on your hair it will fall out not right awya but eventually
it is not just tastes bad
Signs that indicate your hot water heater is going bad include: water leaks, strange noises, rusty water, insufficient hot water, and age over 10 years.
You can tell if your hot water heater is bad if you notice signs like no hot water, strange noises, leaks, or rusty water. If you experience any of these issues, it's best to have a professional inspect and potentially replace your hot water heater.
lower heating element is bad or thermostat is bad
If it is an electric hot water tank, you more than likely have a burnt out element
Check valves can go bad, however I can't imagine where you'd have a check valve in a normal hot water system.
Obstruction in the hot water supply line, bad valve, or broken water line. Drain system and remove valve cartridge, open hot supply to blow out line and see if water comes out. If it does than you have a bad cartridge, if not broken line that needs to be repaired.
If the water pump is bad ussually the heater will stop giving hot air .
Yes i would say, i can have a 30 min shower of hot water, it also depends on the size of your hot water tank.
Bad /defective divertor
Yes you can, but don't do it with hot water. The iceberg lettuce can actually go bad faster by washing it with hot water.