On 18/12/2015 22:39, ss wrote:
When doing this previously I would mark out the tile for cutting using
whatever was at hand but mostly the line for cutting would wash off when
using a wet tile cutter.
What is best way to mark (a line) and with what? so it doesnt wash off
easily.

Chinagraph pencil. Quite hard to find.

--
Dave - The Medway Handyman