Windscreen wash problems

[RayH]

Originally Posted by barney bear

Thanks Gents It was indeed the slime blocking the filter, I took the bottle off filled it with a bleach and boiling water mixture then when it had cooled enough I shook it until all the gack came loose Flushed the bottle with the hose and Roberts your mother's brother, working perfectly again

I did mine the other day while the front is off - pretty disgusting isn't it?
"Apparently" it doesn't happen if you constantly use screenwash