We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember "Darren Griffin -
PocketGPSWorld.Com" saying something like:

The taps in our bathroom and cloakroom are all loose. I've tried and failed
to tighten them using a tap spanner but as they have plastic nuts they still
twist when turned On/OFF and I'm wary of damaging the threads.

Is their a knack to this, should I use some sealant or similar under the tap
to help? The house is only three years old and they've been like this since
the beginning, one of those jobs I've been meaning to try and solve once and
for all but never have enough 'tuits'!

The plastic nuts are pretty crap once they need re-tightened; it's a
toss-up as to whether they strip the threads or split. Obtain a pair of
brass nuts and go at it; just be careful when tightening up against
whiteware, use a rubber/plastic washer underneath. What will help is
bedding the tap base on some mastic, putty, silicone so that once it
sets, there is less dependence on the tightness of the nut alone, as
well as it sealing against water.
--

Dave