Dishwasher leaving glassware spotted and filmy

Sometimes your glassware will be left with white spots or an overall white colour film after a dishwasher cycle.  You will, however, be pleased to know that this filming or spotting can be removed by wiping your glassware with an acidic solution of something like vinegar.  You will obviously need to handwash the glassware carefully afterwards  to get rid of the lingering smell of vinegar

The cause of this filming and spotting will include:

  • Dishwasher salt.  Even though you may use one of the 3 or 4 in 1 detergent products on the market, your dishwasher will still need the addition of salt to keep it working properly and to ensure your dishes are rinsed correctly.  Your particular appliance will probably have a light signal to let you know when you need to add salt.  Please be careful though that you do not overdose your dishwasher, as it can have the opposite effect and may actually be the cause of the filming.  Once you have realised that you have put too much salt in your appliance, you should run the rinse programme a few times until it settles to the right level.
  • Rinse Aid.  As with the comments above regarding salt, your dishwasher will still need rinse aid added to ensure you get the finish you require.  Your dishwasher will have a light signal to indicate when rinse aid is needed.  Again be careful not to overdo it, and if you have a spillage when filling the rinse aid reservoir, it would be sensible to run the rinse programme a few times until all the excess rinse aid has disappeared from inside the appliance.
  • Loading the dishwasher.  It is essential that you follow the instructions in your manufacturer’s manual on the correct way to load glasses and dishes for the best finish.  Do not overload the machine, as you will generally have to rewash all items as the water spray is unable to reach all the glasses and dishes loaded.  Ensure there is sufficient space around each item for the water to penetrate to give a good wash and rinse.
  • Correct detergent doseage.  It is essential that there is sufficient detergent available to clean the wash load correctly, and remember that too much detergent is as bad for the finish of your wash as too little.  Recheck your handbook to see what doesage your manufacturer recommends.  If this continues to be a problem it may be a good idea to consider changing to either a gel cap or tablet form of detergent, as these are measured correctly.If you follow the above suggestions, the finish of your glassware should be back to the clean shiny result you require.
     
     

Disclaimer: The information provided has been prepared as a guide only and the steps taken are likely to vary for different appliance models. We strongly recommend using a qualified engineer to undertake major repairs and fault finding.

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