Welcome, to the absorbancy testing webpage. Below you find absorbancy testing, the method used, and a form to send your own test results. The method outlined is courtesy of Cathy, owner of Born To Love and maintainer of the BTLdiapering list. The results come mainly from members of the BTLdiapering list, but others are welcome to share their own test results. You do not have to join the email list in order to participate. Enjoy!

Please Note: I am willing to help with Science Fair Projects, but I will NOT do the research or project for you!

Show me the numbers!
How do I perform my own testing?
How do I submit my results?
What if the form doesn't work?
Are there reviews for these or other diapers?
Want to see the first absorbancy results of one members "Oil Experiment"?
How about a few pictures?

Absorbancy Testing
Make Model Size Age Testing Date Dry
Wet
Absorbancy(grams) MFG/HT* Notes
Baby Life flannel velcro One Size used, age unknown April 99 90g 320g 230g HT
Baby Software AIO Small second hand April 99 93g 323g 230g HT
Boots Ultra Terry flats ? 2 years old March 99 140g 510g 370g HT
Bouy AIO Medium second hand, age unknown April 99 165g 483g 318g HT Out of Production
Bumkins AIO Medium second hand April 99 113g 402g 289g HT
Bumkins T-shaped insert ? March 99 65g 225g 160g HT
Bummi Stay Dry doubler one size 1week-1month March 99 35g 132g 97g HT washed 3 times
CottonClouds flannel/terry flat newborn brandnew washed once April 99 30g 240g 210g HT
Cotton Kids fitted w/ 2 layers terry, 2 layers flannel Small(7-15lbs) washed 4 times November 99 90g 390g 300g HT from Bareware
Cotton Kids fitted w/ 2 layers terry, 2 layers flannel Large(15-32lbs) washed 4 times November 99 110g 460g 350g HT from Bareware
Cotton Kids fitted w/ 2 layers terry, 2 layers flannel XLarge(28-40lbs) washed 4 times November 99 115g 515g 500g HT from Bareware
Chinese Prefolds 4x8x4 Infant(12" x 16") washed three times November 99 70g 315g 245g HT from Bareware
Chinese Prefolds 4x8x4 Premium(14.5" x 22") washed three times November 99 125g 485g 360g HT From Bareware
Cotton Candies Fleece Small New September 99 84g 386g 302g MFG washed one time
Cotton Tots fitted Large second hand, Age unknown April 99 107g 430g 323g HT Out of Production
Daisy Diaper fitted terry Size 2 new unwashed April 99 165g 575g 410g HT
fitted terry Size 2 new washed once April 99 165g 705g 540g HT
fitted terry Size 2 approx. 2 weeks April 99 160g 625g 465g HT This diaper was washed 3 times before first use. It has been used and washed about 3 times prior to testing.
fitted terry Size 2 new April 99 147g 573g 426g HT washed 6 times
Dundee Prefold 13"x16" unknown March 99 45g 165g 120g HT
Elfwraps Hemp and Flannel Medium new November 99 114g 456g 342g HT washed 5 times
Hempers 55% Hemp 45% Cotton Prefold Large new August 99 130g 180g 510g HT washed 10 times
Huggies step 1 new March 99 23g 580g 557g HT Disposable used for comparison
Gerber birdseye Prefold(2x4x2) 11"x14.5" 1 year old March 99 45g 197.5 152.5g HT
Flat(twill) 18"x35" 1.5 years old March 99 60g 210g 150g HT
twill DSQ(4x8x4) 13.5"x18" 1.5 years old March 99 127.5g 438g 309g HT
Liner(twill) 11.5"x23.5" 2 years old March 99 60g 210g 150g HT
Indisposables small fitted Infant 2 years old March 99 85g 265g 180g HT
liners 3 1/4"-5"x9.5" 2 years old March 99 35g 184g 149g HT
Kushies Ultra Infant second hand April 99 117g 408g 291g HT
Motherease Popolinos(bleached) onesize 1 year old March 99 105g 480g 375g HT
Popolinos(unbleached) one size 2 years old March 99 105g 450g 345g HT
Popolinos(unbleached) one size 1week-1month March 99 110g 395g 285g HT washed 5 times
AIO small second hand April 99 130g 378g 248g HT
Sandy(white) small 1week-1month March 99 103g 353g 250g HT washed 5 times
Snap-in-Liner(unbleached) 5 1/4"x14" 1 year old March 99 45g 161.25 116.25g HT
Snap-in-Liner(unbleached) new March 99 40g 135 95g HT washed 5 times
Doubler(white) new March 99 27g 87 60g HT
Plushie Prefold(unbleached) regular 1 week-1 month March 99 112g 450g 338g HT washed 3 times
Diaper Dance fitted Poochies flannel/terry Large new unwashed April 99 120g 360g 240g HT
Diaper Dance Doubler 5"x10" new unwashed April 99 37.5g 165g 127.5g HT
Snap-To-Fit 2 layers Terry, 6 layers Flannel N/A washed 4 times November 99 125g 490g 365g HT From Bareware, see liners below
Doublers 3 layers Terry, 1 layer Fleece 5" x 22" washed twice October 99 60g 270g 210g HT from Bareware
Snuggleup Birdseye w/terry soaker small plus 1week-1month March 99 78g 317g 239g HT washed 3 times
Snuggleup Birdseye small plus 1week-1month March 99 85g 312g 227g HT washed 3 times
Zippidys fitted with flannel/knit combo small 1week-1month March 99 70g 282g 212g HT washed 3 times
Zippidys fitted with flannel & terry soaker Infant New October 99 2.4 oz 8.8 oz 6.6 oz MFG
Zippidys white flannel & 3 layer terry soaker toddler New October 99 3.2 oz 11.2 oz 8.2 oz MFG
*denotes absorbancy numbers from a Manufacturer or a Home Tester

Here's how the testing was performed:

The hard part is you will need a scale that will weigh small amounts - in ounces, grams or milligrams.


  1. Weigh the dry diaper, and write down the weight.
  2. Submerge the diaper in 4 cups (1000 ml or 1000 grams) of water for one minute.
  3. Remove the diaper from water, do not wring or twist.
  4. Simply hang to drip for 15 minutes. Best to do this over the bowl, or sink
  5. Weigh the wet diaper.
The absorbency capacity is calculated by subtracting the dry weight of the diaper, from the wet weight. (Weight of 1 ml of water = 1 gram. 250 ml = 8 ounces approx. 1ounce = 30 grams)


Help This Page Grow, By Sending Your Info
It's easy, just fill out the following form and hit submit. If the form does not work send the results HERE.

Please enter your name:
Your e-mail?

Make of your diapers:
Model:

Size:

Age of diapers (if known)

Month/year testing was done:

Dry weight:

Wet weight:

Absorbancy:

Who's the tester?: ManufacturerHome Tester

If you have more then one diaper you want to submit please use the comments box. Enter the information like: Make/Model/Size/Age/Dry/Wet/Absorbancy/MFG OR HT/ and any notes.
EXAMPLE: If you were submitting a Baby Software, bought second hand that was a small AIO, and the testing was done in April 1999, and *you* are not the manufactuer it would read like:
Baby Software/AIO/Small/second hand/April 99g/93g/323g/230g/HT

Questions/Comments:


Please note, *ALL* of the information is optional, but if I have questions regarding your testing I can't get in touch with you if your e-mail address isn't correct. Thank you for participating!

If you don't wish to use the above form please e-mail your results to clothaddict@hotmail.com

Are there reviews for these or other diapers?

Yes! You can read reviews at: Diapering Product Review Page
Or go to Diaper Company Review Page

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