[mikey]

what does hypo smell like   does it smell like the swimming baths    like clorine

[Smurf]

SH gives off chlorine gas when it start to work on the surface so it stinks a wee bit

[mikey]

thanks smurf  i thought i had been sold the wrong stuff

[Smurf]

No probs 

You can also add a what the yanks call a cloak to try mask the smell but to be honest I've never bothered so I don't know the best stuff to use nor if it's very effective either.