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Thread Number: 30043
Spots on Flatware |
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| Post# 456356 , Reply# 1 8/11/2010 at 22:41 (4,999 days old) by whirlcool (Just North Of Houston, Texas) | ||
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We had this problem when we tried dishwasher detergent without phosphates. Since we have been adding STPP to the DW detergent the problem goes away. I know what you mean, the spots are usually on knives that have been used with acidic items like cutting tomatoes. | ||
| Post# 456371 , Reply# 2 8/11/2010 at 23:20 (4,999 days old) by Spiceman1957 () | ||
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Thanks Whirlcool Now, what is STPP? John | ||
Post# 456446 , Reply# 3 8/12/2010 at 09:47 (4,999 days old) by joe_in_philly  (Philadelphia, PA, USA) |
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Are the spots hard to remove? I use Bon Ami powder to gently remove spots from knives and cheaper flatware. I think you should rinse off acidic things if you are not going to run the dishwasher right away, but I have to admit I rarely do. It often takes several days for us to get a full load, and I don't prerinse.
This post was last edited 08/12/2010 at 12:02 | ||
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Post# 456463 , Reply# 5 8/12/2010 at 12:07 (4,999 days old) by joe_in_philly (Philadelphia, PA, USA) |
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STPP is short for Sodium Tripolyphosphate. Once place I know it can be ordered from is The Chemistry Store. See link below.
CLICK HERE TO GO TO joe_in_philly's LINK | ||
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Post# 456578 , Reply# 7 8/12/2010 at 20:04 (4,998 days old) by parunner58 (Davenport, FL) |
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We get the same spots, I have tried washing the silverware first and they still get the brown spots. I have just resigned to SOSing them every few weeks when I get tired of seeing the spots. I may try getting some STPP and trying that. This is a picture of the spots we get. For us it happens only on the knives.
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Post# 456601 , Reply# 8 8/12/2010 at 22:37 (4,998 days old) by gansky1 (Omaha, The Home of the TV Dinner!) |
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Are there any rusty spots on the racks or in the machine? Sometimes that may cause a reaction with water and the metal of the flatware and leave these brown spots. I was getting these for a while in my old Asko machine and didn't realize that the racks were pretty rough in a couple of spots as the dark grey nylon and stainless tank made the rusty areas nearly invisible. My machine was still under a five-year warranty so the racks were replaced and the spots were gone.
There seem to be many, many different theories as to why this is happening. I found this interesting thread at finishing.com that explains some of how flatware is made, metal content, etc. One poster said on the first page that Bosch told her it could be the problem I had with the Asko & metal reactions in the machine. Not sure I'm buying the detergent-blame going on as much as the metallurgical explanations, but it's good reading nonetheless. CLICK HERE TO GO TO gansky1's LINK | ||
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Post# 456721 , Reply# 10 8/13/2010 at 11:53 (4,998 days old) by joe_in_philly (Philadelphia, PA, USA) |
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I suspect it may have something to do with the flatware. I use a set of Henckels 18/10 mirror finish stainless that I use daily that doesn't get spots, but a less expensive, more matte finish set that does seem prone to those spots. I also have some small, inexpensive butter spreaders and knives I got at IKEA that do have a more mirror finish, but get spots on occasion.
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| Post# 456869 , Reply# 12 8/14/2010 at 00:54 (4,997 days old) by mark_wpduet (Lexington KY) | ||
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| Post# 456916 , Reply# 14 8/14/2010 at 11:42 (4,997 days old) by dogboy44 (Los Angeles) | ||
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omg yes we have had this too I have to say, I have an old vegetable peeler that used to go in every load almost, and now that I wash it by hand we do not have spots on the flatware | ||
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