Salt water vs fresh water test

[tropicalescape]

If you think the water tank is leaking into the bilge put some food coloring into the water tank and empty the bilge or empty the bilge and fill the water tank,next day check water level in the water tank...DVC

[zeehag]

might be just easier to look at the tank as did i with mine--was dry under--i sed WHEW and dont look back for a bit.