On 14/01/2020 10:50, Tim Watts wrote:
Is there any available?

Nothing made for cars shifts the traffic film properly without a ton of
elbow grease at the dry-cloth stage (which would probably do just as
well without the useless glass cleaner spray in the first place).


washing up liquid does..

And standard well know household sprays are not shifting oil and sticker
residue from my kitchen windows.


Does anyone still sell spray with ammonia in?

yes

Or at least a solvent that actually dissolves stuff?


surgical spirit


--
"The great thing about Glasgow is that if there's a nuclear attack it'll
look exactly the same afterwards."

Billy Connolly