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Old 02-12-2013, 06:35 PM   #1
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Absorbency of various bamboo, hemp, & Microfiber inserts

My method for testing absorbency is you get a 4 cup glass measuring cup and fill it with more than what I expect something to absorb (or a whole number that is easy to remember) then poor over item in a bowl - "slowly" in case there is no reason to pour it all.

Some items like prefolds and flats need to be moved around a little or refolded differently sometimes.

I do that until it seems that the item is saturated. Then I hold up over the bowl (or the measuring cup) and see if it drips at all. Hold it there until it's at a very slow / no drip state.

I poor anything left in the bowl in the measuring cup and check amount. Then subtract.

<UPDATED: Since we got Edit Back - Added in various absorbencies given throughout posting: on 6.27.2015>

Compilation of absorbency stats:
BG OS MF 4.0 (narrow): 11oz
BG OS MF 4.0 (wide): 8oz (tried several)
BG OS MF 3.0: 8oz
BG NB MF: 4oz

Med JoeyBunz insert: 5oz (I tried 2 different ones got the same)
Sm JoeyBunz inserts: 4oz
Thirsties sm hemp: 4oz
GroVia cotton doubler: 3oz
Hemp babies sm doubler: 4oz
Thristies Fab Doubler: 3oz
Med gCloth: 4oz
Med Hemp Best Bottom: 6oz
Geffen Baby Hemp Fleece Super Absorber: 6oz
Geffen Baby Hemp Fleece Super Absorber Plus: 8oz
Sweet Iris Stay Dry Doubler (hemp/bamboo): 6oz

Large sandy cotton fitteds clocked in at 20oz
Large GMD workhorse: 16oz
Large Diaper Rite Cotton (WH style) 19-20oz
Large Diaper Rite Bamboo (WH style) 22oz
(Note that DR WH are much wider/bigger than large GMD)

Sbish Multi fitted base: 16oz
Lg Insert: 5oz
Sm Insert: 5oz
(found it very odd the both held the same but I did double check.

MF inserts with the large Bumwear trainers (size similar to BG OS & Newborn)
Small: 9oz
Large: 12oz

Other:
Osocozy/CB infant prefold: 10oz
Osocozy Flat: 9.5oz
Medium diaper rite cotton prefold: 12oz
Ikea "flat": 10oz
Kushies Prefold: 10oz
Ikea 80cent kitchen towel: 5oz
BabyKicks Duz it All: 7.5oz
Random Bamboo doubler: 2oz

Gerber:
Gerber white Prefolds: 10oz
Organic Gerber Prefold: 5oz
Gerber sm muslin flat: 5oz
Patterned Gerber Prefold: 3oz

From Companies:
Thirties size 1 hemp prefold holds 7.9
Thirties size 2 holds 11.1
Cotton Babies Hemp Flat would be around 12oz
Cotton Babies bigger weeds prefold is about 14oz.

From MamaChirpy
Nicki's Diapers small white cotton flat weighed in at 8 oz.
Sweet Iris medium flat clocked in at a whopping 11 ounces. WOW! (23" Square)
Sweet Iris Standard-21 ounces (30" square one)

From Greysmama:
Bg4.0 os insert: 8oz
Fb large mf insert: 10oz
Fb large minky insert: 6oz
Baby kicks contour hemp: 6oz
Geffen hemp flat: 8oz
GMD Small flat: 8oz (used/possible thinning)
GMD Large Flat: 14oz (Used only a few weeks)
Grovia stay dry insert: 7oz
Grovia cotton doubler: 4oz
Zorb II wahm doubler: 2oz

Hemp babies large doubler:
Older rough one: 2.5oz
New fleece one: 5oz

Freetime: 9oz
Sbish snapless with both inserts: 20oz (could've held more I think) but 20 was my goal lol

For all these tests I used a 9x13 dish and poured water over given item let it soak it up and then held it over dish to drip until no more dripping. Then I measured the excess and figured out the difference between what I poured to find what the item was actually holding. Hth

From IVMom
GMD large cotton flat: 11oz
Nicki's large bamboo flat: 11oz
Nicki's medium bamboo prefold: 10 oz
Nicki's small cotton prefold: 9 oz

BG OS snap-down insert: 7 oz
BG Newborn insert: 4oz

Geffen quick absorber: 3 oz
Geffen super absorber: 4 oz
Geffen super plus: 6 oz

Thirsties Duo insert size 1: 7oz (both MF and hemp snapped together)
Thirsties duo size 2: 9oz

From Agla
Gerber Small Flannel Receiving Blanket (the ones that come 4 to a pack)- 7 oz.
Megaroos Extended Tab Prefold in Sz M- 8.5 oz.

From Special.K.Maria
Mainstays FST: 8 oz
FLIP organic cotton flat (overnight?): 12 oz
Econobum prefold: 14 oz

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Last edited by Pixi6s; 07-18-2015 at 06:22 AM.
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Old 02-12-2013, 07:47 PM   #2
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Re: Any chance a bamboo flat or prefold could absorb near 20oz?

Hemp babies and Rainforest babies make some pretty absorbent inserts, but I don't know how much they actually hold. I find they take in a lot more than any prefolds or other inserts I had (even thick hemp insets - I find the thin ones take a lot more if they are layered, than one big insert). I've heard rumours that bamboo is even more absorbent though - would be interested to hear what others have to say!
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Old 02-12-2013, 07:59 PM   #3
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Re: Any chance a bamboo flat or prefold could absorb near 20oz?

What about a Thirsties hemp prefold?
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Old 02-12-2013, 07:59 PM   #4
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Re: Any chance a bamboo flat or prefold could absorb near 20oz?

Quote:
Originally Posted by wisa03 View Post
Hemp babies and Rainforest babies make some pretty absorbent inserts, but I don't know how much they actually hold. I find they take in a lot more than any prefolds or other inserts I had (even thick hemp insets - I find the thin ones take a lot more if they are layered, than one big insert). I've heard rumours that bamboo is even more absorbent though - would be interested to hear what others have to say!

Thanks! i actually "trust" hemp more because I have used it. I didn't know they made hemp flats and prefolds. I have an email out the company

So do you think Hemp is more likely to get closer to 20oz absorbency?
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Old 02-12-2013, 08:18 PM   #5
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Originally Posted by Pixi6s View Post

Thanks! i actually "trust" hemp more because I have used it. I didn't know they made hemp flats and prefolds. I have an email out the company

So do you think Hemp is more likely to get closer to 20oz absorbency?
Please share what the companies responses are!

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Old 02-12-2013, 11:20 PM   #6
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Re: Any chance a bamboo or hemp flat/prefold could absorb near 20oz?

Hemp babies are impressively absorbent!!!
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Old 02-13-2013, 05:19 AM   #7
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Re: Any chance a bamboo or hemp flat/prefold could absorb near 20oz?

will do, I have questions out to three companies, I'm sure it will take a day or 2 for them to get back to me.
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Old 02-13-2013, 05:32 AM   #8
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Re: Any chance a bamboo or hemp flat/prefold could absorb near 20oz?

I have Hemparoos x-large(blue stitching) prefolds and Hemp Babies Bigger Weeds.

I put each one in a glass dish and poured the water over them and then let them drip out any that came out. The Hemparoos held 16oz and didn't drip any out. The Hemp Babies Bigger Weeds held about 12oz. I poured 16oz on it, but it was dripping streams of water, and about 4oz ended up back in the baking dish.

I know that isn't very scientific, but I thought that might help you out some.
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Old 02-13-2013, 05:52 AM   #9
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Re: Any chance a bamboo or hemp flat/prefold could absorb near 20oz?

thanks! I'll have to look into the hemparoos! We have older hemparoos in medium and they only held about 6oz if i remember correctly. That would be quite a big jump. They are getting pretty holey as well thou.

That is all I did to see how much absorbency my son needs at night in fact I did let it drip back in... I might have to do that next time...
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Old 02-13-2013, 05:53 AM   #10
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Re: Any chance a bamboo or hemp flat/prefold could absorb near 20oz?

The Hemparoos are made by Babykicks.
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