Tips for finding that pesky drip

If you like a dry bilge, chasing leaks is a priority. But boats are deceptive and the water can end up many metres from its initial point of entry. One way to find it is to use coloured water (food colouring) poured from various points, to find out where the water runs. Another is to sprinkle talc in the suspect area to find where it is tracking from. Any hints of your own? email