1 C baking soda + 1 C white distilled vinegar mixed together in your washing machine is very effective for fresh clean clothes. Just pour in the 2 into the machine instead of the regular detergent you use. You can use hot or cold water, it's your choice, both are effective. Just be sure to only mix them in the machine, not in a bowl beforehand because they will fizz right out of the bowl and that is a messy overflow.
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2 handfuls of baking soda + 1/2 white distilled vinegar + 1 tbsp. of fresh squeezed lemon juice is very effective in cleaning your grimy kitchen sink. It amazes me every time how effective this is and the fresh lovely lemon aroma is wonderful. After you clean the sink and remove the food residue and anything in there, sprinkle and pour in the mixture and let it sit for a few minutes, then sponge it around the sink a little and then give it a good thorough rinse. Both approaches - laundry and kitchen sink - are very efficient and very affordable. You can learn more by following my tweets on Twitter. I share great helpful tips there, too. http://www.twitter.com/notperfume
Stay well, feel good, be gentle with yourself and the planet.