On 2008-08-03 09:07:51 +0100, "The Medway Handyman"
said:

Andy Hall wrote:

I would avoid using sealant because you will have difficulty
separating the components in the future.

This is what Plumbers Mait is for! Doesn't set as such, so easy enough to
get off in future. Use a small amount in conjuction with the rubber
doughnut.

Yes agreed. I had silicone in mind when I wrote that and that would
be a bad idea. Putty stuff is reasonable as you say and has a
wonderful smell, unlike silicone.