Laundry Room Must Have: Fels-Naptha!
By DIY Maven
Say ‘Fels-Naptha’ to your mom or grandma and see what kind of reaction you get. It will probably something like, ‘Oh, yes! They used to use that in the olden days on laundry day.’ Why the bar soap isn’t still popular today is a mystery, because it is one of the best–if not THE best–pre-treater/spot removers on the planet. I know this because I picked up a bar at my local grocery store a while back to give it a try.
Using it:
To use Fels-Naptha as a pre-treater, you just wet the bar and then rub it on the offending stain. Or, you can wet an old tooth brush, swipe it against the bar and then gently rub the stain with the brush.
Making stuff with it:
My next experiments with Fel-Naptha just might be using it to make my own laundry detergent. Two versions, one liquid and one powder, can be found on Wikipedia, both of which are very cost effective.
Buying it:
Fels-Naptha is available on-line but it may very well be waiting for you at your grocery store too. The cost of one 5.5 oz bar–which will last forever as a pre-treater–will set you back about $1.50 or so.

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DIY Maven
Thanks for the link love, Ken! You are so right about product overload!
Ken Hoyt
My pal DIY Maven found it “the best pre-treater, spot remover on the planet”.
Ken Hoyt
I've used it as a pesticide... very effective!
DIY Maven
tastes like Reddi Wip ;)
kestrel
but wait!...there's more!...It's also a fantastic dessert topping, floor wax and sponge sharpener!
DIY Maven
I read too that it can be used as a pesticide for plants and as a treatment for black fungus on roses.
kestrel
It's also great for scrubbing up after you get poison ivy on you. It removes the oils before they can set. We used to use this all the time as kids after working outside. We also used to use some green bar soap...Lava Soap? Something like that.
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