Food Coloring Test Toilet Leak - Web to conduct the food coloring test, you’ll need some food coloring bottles handy. Web drop about 4 to 5 food coloring drops in the toilet tank. Web diagnose it with food coloring. If you have a slow leak in your toilet tank, hundreds of gallons are just slowly and silently. It doesn’t matter which color dye you use. You may want to use a dark color such as blue or red. Wait 20 to 30 minutes.
If you have a slow leak in your toilet tank, hundreds of gallons are just slowly and silently. Wait 20 to 30 minutes. It doesn’t matter which color dye you use. Web to conduct the food coloring test, you’ll need some food coloring bottles handy. Web drop about 4 to 5 food coloring drops in the toilet tank. You may want to use a dark color such as blue or red. Web diagnose it with food coloring.