Close coupled plate rusted

[SandyLyon]

Got a call off my daughter who had returned home to find water coming through the light fitting in the kitchen.
She established that it was coming from the bathroom WC, so I got her to turn the isolating valve off and flush the cistern until l got there.
I went to undo the wing nuts to remove the cistern and they both literally came away before I tried turning them, when I removed the cistern there was hardly anything left of the coupling plate, just a pile of rust.
Cleaned it all up and fitted new plate, bolts and donut all good.
Thought I would check the other 2 WC's and both were in a similar state, I've never come across plates in such poor condition.
The house is about 12 years old all the sanware is Twyfords, is this normal after 12 years or a faulty batch of plates ?
All rooms have good ventilation as well as extractor fans.

 

[Dan Robinson]

Mickey Mouse plates coupled with people flushing with the seats up? One of my pet hates that. Atomised pish spreads all over the room. Look what it does to rads next to bogs.

http://www.loosewireblog.com/2004/11/urine_corrosion.html

http://www.ijirset.com/upload/february/12_C.pdf

Does your daughter have a male partner who is not much of an aim too?

 

[SandyLyon]

Does your daughter have a male partner who is not much of an aim too?

Thanks Dan,

Don't know much about his "aim" Dan (and I don't particularly want to find out), they've only been in the house for a couple of years.
I've never come across one in that state, let alone 3 in the same house.

 

[Dan Robinson]

Probably a combination of things then mate - plus you have 9 years of pas townership.

Cleaning agents might also have been a factor?