Our VFW post bought a used Hobart commercial dishwasher, model # wmp-es2 serial # 14054-302.We use the commercial soap,sanitizer, and rinse aid. The problem is,after washing the glasses they look sparkling clean. The minute we hang them up, they get all cloudy looking.I'm wondering if perhaps the water temperature is to hot? I did read some of the problems/solutions on this site.Is it also possible that ours should be hooked up to cold water and not hot?
Thank you for your quick responce
Check that the dishwasher is getting hot by
feeling the temperature of the door - also at the end of the cycle
when you open the door there should be lots of steam. If the machine
is heating the water then increase the salt delivery a little - or even
try a more expensive detergent to see if it makes any difference.
The single most important factor in getting good results is HOT WATER!!
The water must be at least 130o to work effectively. This is documented by the major manufacturers of detergents, such as Proctor & Gamble. Otherwise, greasy films will occur, along with soap residues left on glassware, etc. Use a candy thermometer in a glass under the running hot water tap on your sink to measure the incoming water temp. In general, it is best to always turn on the hot water at the kitchen sink for at least one minute to allow the actual hot water to flow. If not, the first couple of wash cycles will have cold water in the tub, and this wastes time, energy and soap. Using the delay cycle is never a good idea, since you will be assured of a cold fill the first few cycles.
Most areas have fairly hard water, which affects the cleaning properties of detergents. Hard water is water showing above 7 grains of hardness. Our Austin customers have, for example, 11-20 gr. hardness in many areas, mainly due to the limestone aquifer which supplies the vicinity. For them, I recommend filling both detergent cups full, plus using a rinse aid. If you don't know how hard your water actually is, we have a solution.
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- According to dishwasher industry statistics, approximately five million new dishwashers are sold each year. Many new dishwashers find homes in the 1.3 million new houses built annually. But that leaves 3.7 million other dishwashers-and most are replacing existing units that no longer perform because of lime scale, soap scum, iron and grease buildup. Based on an average cost of $400-500 for a new dishwasher, consumers are spending more than $5 million dollars each day on new dishwashers ($1.85 billion each year). Perhaps this would change if they had heard about the Dishwasher Magic product first :)
You can determine the cause of cloudy glassware by soaking a glass in vinegar for 5 minutes. If the cloudiness is removed it is a hard water deposit and more detergent is likely needed. If the cloudiness is not removed it is a permanent condition known as etching. In this situation, use less detergent and stop pre-washing. In actuality, dishwashing detergent needs a bit of soil to work on, otherwise it will tend to foam up.
Every two months, run the unit with a quart of white vinegar added to the tank (no dishes or detergent for this!). This removes any deposits left behind in the tub, and actually helps keep the drain clear! Do this mainly on units with plastic tubs, since they are porous, and will absorb not only grease, but residue from the detergent.
Use a rinse-aid, such as Jet-Dry, in your dishwasher, unless you have a water softener. In this case, do NOT use a rinse aid, and reduce your powder detergent to one teaspoonful per grain of water hardness. We recommend the solid form of the Jet-Dry, not the liquid. For one thing, the liquid is harder to deal with than checking a hanging basket visually. Also, the liquid dispenser only injects a couple of drops of liquid into the unit at the end of the wash cycle. This does not take into account varying degrees of water hardness in different areas. The solid version is always working right thru the wash and rinse cycles. Hang it in the left front corner of the upper rack for the best distribution.
Detergents- Gel or Powder?
Gel detergents are not the best solution for your dishwashing . They create more problems than they resolve. A few examples include:
Gels contain chlorine bleach (dissolves rubber seals)
Gels tend to cloud glassware, leaving a whitish film.
Gels never really rinse off of interior tub or from sump area.
Gels clog the detergent dispenser, making it release late or not at all. This causes door streaking by the chemicals.
Gels don't work well in hard water, they leave spots
Always use powdered detergent or tablets, and make sure that your water temperature is at least 125-130o to the dishwasher! It makes a world of difference in the final results.
The problem is usually the water not being
hot enough and the detergent. need to try buying small containers of
different detergents and see with works best with your water and
machine. hard water and the wrong detergent causes this problem.Perhaps you changed detergent lately or
they changed the formula of your detergent. Or your machine is not
heating the water properly any more. Like a failing heating element.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Jun 13, 2011 |