Not all cloth diapers are made from the same material, therefore not all cloth diapers can be prepped in one single load. I’m answering the most common questions I’ve been asked over the years in hopes that I can just refer future readers here and save my hands some typing. Just kidding… kind of. If you are completely new to cloth diapers you will find a lot more helpful information on my New to Cloth Diapers.
So exactly what does “prepping” mean?
Do I have to prep my diapers?
Yes, at least once. If only to remove any leftover chemicals that might be present on the diapers from manufacturing. I always wash my diapers at least one good time before using them, just in case. If you do decide to only wash once then use that diaper during the day and not for a nap. It won’t be fully absorbent until it gets washed a few more times.
Can I wash my synthetic cloth diapers with my diapers made with natural fibers?
No! Cloth diapers made from cotton, bamboo, and hemp will have a natural oil in the fibers that will wash away within the first few washes. Organic, unbleached natural fibers (especially organic cotton) have even more oils. These oils can wash onto your synthetic materials, especially the stay dry layers of pocket diapers made from microfleece and suedecloth, and leave a build-up that leads to repelling (when liquids don’t absorb). All natural materials should be washed at least three times alone. If you receive a pocket diaper in the mail that comes with a hemp insert you still need to wash those two pieces separately. I have a materials glossary for cloth diapers if you need a reference.
How many washes does it take for a diaper to be fully prepped and absorbent?
There is no definite answer because every diaper is made from a different material, however an average number is 6-8. Microfiber inserts will fall on the lower range, even less than 6 usually. Natural materials, especially hemp, will take 8 washes.
Do I need to dry the diapers between each wash when prepping?
Eh…….. I don’t. The drying will exponentially increase quilting (this is when the cotton puffs/wrinkles up which makes them more absorbent) when prepping prefolds, however I don’t find this necessary for other inserts or diapers. So basically- inserts, flats, fitteds- no. Cotton prefolds- yes.
Can I boil my diapers to prep them faster?
You can, but take my advice: don’t unless you understand what you are getting into! Boiling looks like the easy route but unless you have a witch’s cauldron or you only need to boil a handful of diapers you’ll want the capacity of a washer. I gave my tiny apartment kitchen a steam bath when I boiled about 52 prefolds in batches. It took 5 hours of constant work. The steam “cleaned” my wallpaper, leaving disgusting yellow streaks down my walls. I ended up doing even more work than just boiling diapers- I also had to wash all of my walls. You can NOT boil any parts of a cloth diaper that have PUL, TPU, elastic, or snaps. Really the only things you can boil are prefolds, flats, and inserts.
What if I just have one brand new diaper? Do I really need it wash it all by itself to prep it?
This will all depend on the materials. If it has organic, natural materials, I defintely would still wash it by itself. This will be less work than stripping all of your diapers later. If the diaper is made from synthetics, non organic cotton, or non organic bamboo velour then I would say it should be ok and you can sneak it into a load of your dirty diapers.
How much detergent do I use when just prepping my diapers?
There is conflicting information on this (just like all diaper washing articles) but I use the tiniest amount. Usually just a teaspoon or two. Since prep loads are usually less than full wash loads this gives you enough to work out the oils but not enough to cause any repelling problems. Some people prefer not to use any soap. You can adjust the amount if you are prepping an entire load of brand new diapers- so if you have a full wash load of 12-15 new diapers you could use the full recommended amount by your soap maker. In my case it would be 2 tablespoons of Rockin’ Green.
Do I need to prep my new covers?
Covers aren’t absorbent therefore you don’t need to “prep” them in the sense that they need washing to work effectively. They will work right out of the package as intended. You will still probably want to wash once but you can throw these into your dirty laundry (if you have any).
Should I prep my “new to me” (previously loved) diapers?
Assuming they were loved more than a few times they will already be fully absorbent. You might want to “strip” your diapers, however.
What is “Stripping” and why does it sound so dirty?
Stripping refers to the removal of any soap, minerals, and stink that sometimes accumulate over time in the fibers of cloth diapers. All fabrics cling to these things during the wash but unlike cloth diapers, our sheets and clothes don’t need to hold liquid so this isn’t usually a concern. When stripping diapers there are several approaches, some of which could void the warranty of your diapers, so do your research and understand what you are getting into. The simplest form of stripping just involved repeated HOT WASH CYCLES with no detergent. The hot water will remove the built up soap and rinse it away. Other stripping methods will recommend using Original Blue Dawn (just a drop…) and bleach. If someone tells you to strip your diapers using your dish washer- DON’T DO IT. This is extremely unsafe since a diaper could land on a heating element inside and start a fire. Not only that, but you can potentially ruin your diapers. If you are looking to go the unconventional route read about how to use fish tank ammonia remover. Why does “stripping” sound so dirty? Because your mind is in the gutter, that’s why!
How will I know that my diapers are fully prepped?
There won’t be an exact moment where you look at your diapers and know for certain that they are fully absorbent. With prefolds you can kind of tell by how quilted the cotton appears, but even at full quilt they will still become more absorbent for a few more washes. With pockets, All-in-Ones, All-in-Two’s, Fitteds, Flats, and other types of cloth diapers you’ll just have to work on the honor system. If you decided to only wash once and let the dirty washes do the rest of the work give those diapers a few weeks or even a month before trying them overnight. You won’t want to use a half-prepped diaper overnight because you’ll likely get unfavorable results. Don’t rule out a diaper if it leaks and it is new- chances are it just needs a few more washes.
Do you have a prepping question that wasn’t answered? Leave a comment and I’ll answer it if I can!
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