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Thread Number: 86511
/ Tag: Detergents and Additives
STPP usage and amounts... |
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| Post# 1110861 3/10/2021 at 16:15 (1,142 days old) by nmassman44 (Brooksville Florida) | ||
Ok I bought this bag of STPP and there are no instructions in its usage for laundry. I have not gone onto the manufacturers website or even checked to see if they have one yet. I bought this because of the hard water we have here in Florida. I have noticed when I do laundry that fabrics have been emerging kinda stiff and rough feeling when taken out of the dryer and that is with using fabric softener. So my question is how much should I use? Here is a pic of said bag...
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Post# 1110869 , Reply# 1 3/10/2021 at 17:54 (1,142 days old) by SudsMaster  (SF Bay Area, California) |
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OK.
STPP is what is called a "builder". All powdered laundry detergents contain builders, but they tend to be stuff like sodium carbonate that can leave that rough feeling you've noticed. That's because they can form precipitates with hard water minerals (like calcium) which get deposited inside the washer. STPP's great feature is that while it binds with hard water minerals, it does not form a precipitate, and instead keeps them in solution so they can be rinsed away. For starters I would suggest you try adding about a tablespoon of STPP to the wash water. I tend to add it first, let the front loader fill a little and then add the detergent (generally these days liquid). If you still get rough results you can try increasing the STPP amount. Maybe 1/2 as much as the regular powder laundry detergent you might add. You may notice you don't need as much regular laundry detergent (powder or liquid) because STPP does such a good job of softening the water. | ||
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Post# 1110870 , Reply# 2 3/10/2021 at 17:54 (1,142 days old) by Supersuds (Knoxville, Tenn.) |
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Post# 1110881 , Reply# 3 3/10/2021 at 19:23 (1,142 days old) by lakewebsterkid (Dayton, Ohio) |
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STPP I recommend 1 tablespoon for starters as well! 1 TEAspoon in the dishwasher with the detergent! It certainly does more than you think! How much were you using initially? | ||
| Post# 1110893 , Reply# 4 3/10/2021 at 20:20 (1,142 days old) by nmassman44 (Brooksville Florida) | ||
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I have not done anything with it yet since I just got it today. I have been using the Charlies Soap Booster for Hard Water and that seems to be working quite well at a Tablespoon in my Whirlpool top loader. It rinses out completely and the clothes are getting to where I want them to be softness wise. I had not used anything like that up until a couple of weeks ago. Before that since late October when we got here its been no additive for water softening at all so there was a build up on jeans, underwear, towels etc of the hard water minerals. My other half noticed it right away, too. I figured that I would try this stuff and see how it performs. Eventually methinks a mechanical water softener is in the cards soon.
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Post# 1110923 , Reply# 5 3/11/2021 at 09:18 (1,142 days old) by polkanut (Wausau, WI ) |
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Post# 1110924 , Reply# 6 3/11/2021 at 09:29 (1,142 days old) by appnut (TX) |
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Post# 1110926 , Reply# 7 3/11/2021 at 09:34 (1,142 days old) by chachp (North Little Rock, AR) |
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Question... | ||
| Post# 1110941 , Reply# 8 3/11/2021 at 11:58 (1,142 days old) by nmassman44 (Brooksville Florida) | ||
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I thought the same thing as well. I know with my washer there is some carry over from the wash cycle to the rinse even though there is a spray rinse before the first spin. I have been using the Super Wash cycle since that fills the wash basket all the way. Medium to small loads get washed on Normal, but I add water to make sure the load rolls over and doesn’t just slosh around since it doesn’t use enough water without wearing the fabrics.
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Post# 1111020 , Reply# 9 3/12/2021 at 00:10 (1,141 days old) by SudsMaster (SF Bay Area, California) |
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Well, the problem with many non-STPP detergents is that their primary builder, usually sodium carbonate, forms a hard precipitate with hard water minerals, and this is what doesn't get rinsed away. There should be no reason why the rinse water would form more precipitate in the absence of detergent containing sodium carbonate, unless one really overdosed the wash cycle.
If one is really concerned, one could always add some STPP to the rinse cycle. But I doubt this is necessary. | ||
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Post# 1111692 , Reply# 10 3/16/2021 at 15:57 (1,136 days old) by appnut (TX) |
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Post# 1111707 , Reply# 11 3/16/2021 at 18:03 (1,136 days old) by DADoES (TX, U.S. of A.) |
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Post# 1111723 , Reply# 13 3/16/2021 at 19:34 (1,136 days old) by appnut (TX) |
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