I've finished cycling and still have most of a Homebase bottle left.
I'd like to keep some back, but if you have a spare strong bottle (tamper proof lid etc) you could post it to me with a return envelope/jiffy.
I guess the Royal mail will have an issue with it, like everything these days it seems, but can anyone else see an issue with posting it?
I am suggesting a strong bottle here, not pouring ammonia into an envelope and posting it.