Pete C wrote:
On Jan 30, 3:10 pm, The Natural Philosopher wrote:

Yep. Of course it probably says 'seal wall with PVA first', which then
costs more than a decent adhesive would've in the first place..and takes
twice as long.

OTOH:

http://www.ultimatehandyman.co.uk/tiling/
diy_Tiling_Why_not_to_use_pva.htm

cheers,
Pete.

Since most adhesives are almost certainly based on pva, I don't buy the
idea that it's somehow incompatible. OTOH I've never found it necessary
to seal before tiling.