It can stain the plaster and reacts with chlorine in the pool (uses up chlorine faster and makes a black deposit). If it's not from the well water, then a galvanized pipe or part of a heater or pump is corroded. That can be expensive or dangerous if the part fails. It might be a good idea to check with your local pool supply company, or have a qualified pool service person check it out for you.
learn to swim
Its better to swim in the deep water but if you have a child its safe to swim in the shallow water.
His mom wanted him to be water safe
Yes, of course.
i don't think so
This is your choice and depends especially to your resistance to cold water.
It will Not be safe to swim in the ocean water off the coast of Louisiana, where the oil is leaking and it will not be safe, until they stop the well from leaking, which may not be for quite a long time. I doubt it it will be safe to swim in that location (in the ocean) until 2011 at the earliest.
No.
Steel or iron goes rusty in water.
Rusty brown toilet water can be caused by iron or manganese deposits in the water supply. This can occur from corrosion in old pipes, sediment buildup in the water heater, or naturally occurring minerals in the water source. It's important to address the underlying cause to prevent further discoloration and ensure the water is safe for use.
wear a life jacket Don't swim alone. Don't swim where there are strong currents. Know the water and the bottom of the area you are swimming (watch where you dive).
yes.. it has a low pH ... acid rain... so you need to add pH plus.