Immersion Blocking Knits




Introduction: Immersion Blocking Knits

About: I am a teacher outside of Boston and I love making cool stuff! Any prizes I'm lucky enough to win will go directly to my classroom (when appropriate) where I teach 6-12th grade English, Social Studies, and S...

Swatching and blocking is an important part of knitting/crocheting wearables. It helps with adjusting sizes, straightening out the stitches, and giving your finished piece a more polished and clean look.

Blocking is extremely important when starting fitted pieces such as sweaters and other clothing (not so much with shawls) as a blocked swatch will give you more accurate measurements than an unblocked swatch.

There are a few different ways to block knits, immersion/wet blocking is probably the easiest and it's the method I use the most.

Step 1: BoM

Knitted or crochet swatch/finished object

Blocking mats (you can buy packs of 9 play mats for like $10)


Unicorn Rinse, SOAK, Kookaburra, (or a gentle dish soap)

Towel/Dish cloth

Tub/container (for soaking knits)



Step 2: Soak 1

Fill a tub or container will cool water and add a drop of soap. Place your knit in the water, and let soak for 5-10 minutes.

Step 3: Soak 2

Remove your swatch from the soapy water and clean out your dish. Refill with cool water and soak the swatch for 30 minutes (or longer depending on the size of your knit). Remove and wrap in a towel to squeeze some of the excess water.

Step 4: Block

To block your knit to size, place your piece on a blocking mat and use pins to stretch the knit into the size desired. Don't pull or force your knit, you don't want it to look stretched.

Allow your knit to dry fully before removing the pins. You can always take a hair dryer to the yarn to speed things up.

Step 5: Unblocked Vs Blocked

The first picture is the same swatch before and after blocking. You can see the how much neater the swatch looks after blocking.

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    2 years ago

    Great tutorial! I am a huge advocate of swatching and blocking the swatch as it will be cared for by the recipient of who you are knitting for. It is the only way to accurately size what you are knitting. It's the only way (other than knitting top down) to insure your sweater won't have a body too short with sleeves too long!

    A friend of mine says that blocking a piece of lace knitting takes the piece from looking like dryer lint to looking like magic!