How to Remove Water From Oil Tanks

Written by amanda harrell | 13/05/2017
How to Remove Water From Oil Tanks
Water trapped in an oil tank can cause serious problems. (oil storage tank 44 image by Jim Parkin from

Water build-up in your oil tank can be a nightmare as it can lead to several complications. Some of the problems it can lead to are oil fuel pump damage, sludge formation inside of the tank, filter blockage, nozzle clogging, loss of heat, frozen pipes, mould, corrosion and leaks. All of these complications can lead to costly repairs. You can either hire a professional or remove the water on your own, depending on level of expertise.

Open the drain valve at the bottom of your tank and allow water to drain out. This may solve your problem if you do not have too much water in your oil tank.

Call your local oil company and ask them to provide you with a water finding paste. Attach the paste to to an oil tank probing stick and dip it into the tank. The colour of the paste will indicate how much water is in your oil tank. The typical colour changes are white to red, green to red and pink to white.

Purchase the H20 water worm. This is a water absorption product which can remove up to 2 cups of water. In order to use the water worm, place it inside of the tank and leave the string on the outside for easy removal.

Heat the oil tank to remove water. You can purchase a small heater meant to be used as a water removal system. Heat the oil so that the water evaporates. This must be controlled as overheating it can cause damage.

Call your local oil company and have them remove the oil for you if you are having trouble doing it yourself.

Things you need

  • Water finding paste
  • Oil tank probing stick
  • H20 water worm

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