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How to Make an Ocean Slime Recipe for Under the Sea Fun!

We’re a bit slime obsessed. We’ve tried so many slime recipes, but we still aren’t tired of making and playing with it. This time, we decided to make an ocean slime recipe to celebrate summer, warmer weather, and fun!

How to make clear blue slime requires a basic borax slime recipe that is easy to make, and nearly foolproof. Use the recommended brands and ratios and your slime will come out perfectly every time!

The secret to making beautiful blue glitter slime is to use clear glue. If you use white glue, the slime will work, but it won’t look like sparkling ocean water.

Love slime? You'll love this ocean slime recipe make with blue glitter slime and ocean creatures! Learn how to make ocean slime with borax and transform your ocean slime into an under the sea experience perfect for summer, or for when you're just wishing to bring the ocean closer to home. #slime #slimerecipes #kidsactivities #stemactivities

Adding glitter also adds a pretty touch that transforms the slime into ocean water.

Add little ocean creatures to your blue glitter slime to capture the spirit of the ocean and make your slime play educational!

You’ll also want to check out the ultimate list of summer STEM activities and the ultimate list of summer science experiments. 

Check out the full list of summer slime recipes!

slime stem activity

How to Make Ocean Slime

Read on to see how to make ocean slime! And don’t forget to try our other summer slime recipes: ice cream slime, sand slime, and beach slime!

Scroll to the end of the post to get printable instructions for this ocean slime recipe!

Slime Science

Learn how to make ocean slime with borax. This ocean slime recipe is the perfect summer slime recipe! It looks just like ocean water with sea creatures swimming around in it! Under the sea slime is so much fun to make, and this easy slime recipe will have you wanting to make slime over and over! #slime #slimer #kidsactivities #summerfun #summeractivities #sensory #slimerecipe

Slime is made when boron mixes with the polymer chains in the glue, creating strong, but flexible bonds between the molecules.

There are so many fun tweaks you can make to a basic slime recipe, like my kid’s favorite, fluffy slime! Since this slime does contain borax, if you have a sensitivity to it, you may want to try our baking soda slime instead.

Tips for Making Clear Ocean Slime

If this is your first time making slime, you should follow along with our post on slime troubleshooting.  Luckily,liquid laundry starch slime made with clear glue is the easiest slime recipe.

If you don’t want to waste a lot of ingredients, try mixing up a small batch first to make sure you won’t have to tweak it before you make the larger version.

We always stock up on gallon sizes of glue and the large laundry starch just in case something goes wrong (but it almost always goes smoothly).

How to Make Clear Blue Slime

ocean slime recipe

Follow these directions and you’ll have the best ocean slime ever! If you need more help making slime, check out our printable slime guide, where you’ll find tips and tricks to making your slime perfect every time so you don’t have to waste ingredients.

What you’ll need to make under the sea slime:

The Best Materials for Making Slime

Here is what you need to make every basic slime recipe on STEAMsational!

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Elmer’s White Glue

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Elmer’s Clear Glue

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Liquid Laundry Starch

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Borax Powder

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Slime Activator

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Soft Clay

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Biodegradable Glitter

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Measuring Cups and Spoons

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Craft Aprons

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Instant Snow

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Scentless Lotion

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Mixing Bowls

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Sharpie Markers

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Slime Containers

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Removable Labels

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Stirring Spoons

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Soap Dye

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Shaving Cream

All-in-One Slime Kits

These slime craft kits include everything you need to make slime creation even easier!

All of these slime craft ideas show up right on your doorstep in just a few days!

Directions for slime that looks like ocean water:

clear ocean slime

Kids will love this sparkly slime that looks just like sparkling, clear ocean water! This will soon become your favorite slime of the summer. The ocean slime recipe is easy to follow and you’ll love it’s stretchy non-sticky texture.

Borax slime is less sticky than other slime recipes because it makes a stronger, more brittle slime. Borax slime is not the stretchiest slime, but it is a lot of fun to stretch and poke.

It’s also ideal for using with small toys, as it won’t cover the toys in sticky slime that is difficult to get off.

Blue glitter slime in a clear container stirred with a fork. Shows ocean slime with broax in process.

Once you remove your ocean toys from the ocean slime recipe, they are just like new and you don’t have to wash them at all!

Keep borax slime out of the carpet and away from and cloth in your home, like the sofa, clothing, or sofa.

Safety note: Borax can be dangerous if ingested or breathed. Do not make this slime recipe with kids who might place the slime in their mouths or if you know your family has a sensitivity to borax.

Try our edible taffy slime if you want something safe for all ages and edible, too! You may also want to try baking soda slime and xanthan gum slime. 

Little girl stretching ocean slime made with borax.

Use our classic borax slime recipe to make this slime. Mix one teaspoon of borax powder with 1/2 a cup of water.

Mix 5 ounces of glue, the food coloring, the glitter, and 1/2 a cup of water to a second container. Add the borax water to the glue mixture and stir until completely mixed.

Blue ocean slime with small ocean fish on top.

Stretch and mix the slime until it stretches. Borax slime breaks a little easier than laundry starch slime,  so you’ll need to be careful not to stretch it too quickly.

Alternatively, you can make this using laundry starch, just follow the recipe for liquid laundry starch slime and add the blue dye and glitter to that mixture.

Sparkling blue ocean slime recipe in a fishbowl with ocean toys on top.

It usually takes a few minutes to prime the slime before it has the ideal slime texture. After working with it, it will start to look like this.

Add in your ocean animals and let your kids go crazy.

slime stem activity

My kids love using slime as the background for imaginative play. This slime looks just like the ocean, so they played for quite a long time with their ocean creatures.

Bo liked trying to bury the animals in the slime, then “rediscover” them later in the slime mixture.

Monkey’s preferred method of play was to set up ocean “scenes” and then admire her work.

There is no wrong way to play with slime!

blue soap slime

Dish Soap Slime Recipe (without contact solution)

Prep Time: 5 minutes
Active Time: 10 minutes
Additional Time: 15 minutes
Total Time: 30 minutes
Difficulty: easy
Estimated Cost: $10

You can make mess-free slime without using contact solution! Try this simple recipe for dish soap slime and learn how to make slime with borax and soap!


  • Borax powder
  • Elmer's white glue
  • Blue soap dye
  • Dish soap


  • Spoon
  • Jar or bowl
  • Measuring cup


    1. Mix one teaspoon of borax powder with 1/2 a cup of water.
    2. Mix 5 ounces of glue, the blue soap dye and 1/2 a cup of water to a second container.
    3. Add one teaspoon of dish soap to the glue mixture and stir carefully so you prevent the slime from getting too frothy.
    4. Add the borax water to the glue mixture and stir until completely mixed.
    5. Stretch and mix the slime until it stretches.


Borax slime breaks a little easier than laundry starch slime,  so you'll need to be careful not to stretch it too quickly or it will break into pieces.

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More Slime Recipes to Try

How to Make Mermaid Slime with Laundry Starch- 2 Ways!

How to Make Tie Dye Slime

DIY ABC Chewed Bubblegum Slime Recipe

3 Color Slime

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