When you mix ingredients, only a certain amount of water is needed to produce the polymer , and excess stays behind in the bowl. It's fine to simply throw it out.
Borax and boric acid are not the same chemical. When you dissolve borax in water, it forms boric acid and also the borate ion. If you have boric acid instead of borax, it can be used for slime, but the recipe is somewhat different. Either dissolve the boric acid in water if it's a powder or else use buffered saline solution.
Mix the liquid with white school glue and a bit of baking soda sodium bicarbonate. You can color the slime if you like. This slime will be less gooey and more stretchy, or putty-like, than borax slime. There are many recipes for slime that don't require borax or boric acid. However, be aware some products do contain this chemical such as saline solution and some detergents.
Not all of the borax-free slime recipes listed online are really borax-free, but there are some good recipes that don't contain chemicals. If your glue is tinted, then your slime will be colored. You can mix food coloring in with either slime-making solution. You can also add glitter or other decorations. You can also mix in glow powder for glowing slime, thermochromic pigment for color-change slime , or iron oxide for magnetic slime.
Slime doesn't go bad, but you may want to toss it if it develops mold or if it dries out. Refrigerated slime, kept in a baggie, should last for a couple of weeks and can last months in a sealed bag unrefrigerated. If slime contains borax, it shouldn't spoil at all. Then add a drop or two at a time of saline solution. You can even squirt a few drops on your hands before kneading the slime. Doing this will add just a tiny bit more activator to your slime and it will coat your hands for handling the slime.
Remember though, if you just start adding more and more activator, your slime will become rubbery and breakable. For our borax slime recipe. You need to mix this slime well once you pour in the borax solution. Not a problem but also not very stretchy. Varying the amount of borax powder also makes for a good slime science experiment! Encourage kids to mix the borax and warm water for 30 seconds if you can! Knead your slime in the bowl if you like.
You can even let it chill for a few minutes and then knead it a bit. Borax slime does not need the amount of kneading that the saline solution slime does. Find that video here if you want to learn a little more.
Both liquid starch which you will read about below and saline solution above also contain borate ions. These three popular slime ingredients all contain a form of boron. To be as accurate as possible, slime may be borax powder-free but not necessarily borax free. It just depends on how you feel. If you have skin sensitivities, you may want to avoid borax powder slime. However, we use a low ratio of powder to water.
What do I run across from readers regarding liquid starch slime? Liquid starch is not a slurry of cornstarch. You also can not use spray starch. However, you will find bottles of liquid starch in the laundry detergent aisle of your average grocery or big box store and it can be ordered online.
Popular brands include Lin- It and Sta-Flo. You will notice that the liquid starch slime recipe comes together right away but looks rather stringy.
Let this slime rest for about 5 minutes in a clean container, and the stringiness will have disappeared. You will have lovely smooth slime!
If you have a classroom full of early elementary age kids, liquid starch is probably the best slime recipe for ease of use! The measurements are simpler. There are no small measurements or solutions to mix. The success rate will be much higher and hopefully less messy! The topics of adding lotion or warm water seem to come up a lot!
Making slime with lotion during the mixing process might be a help. However, we have tested out a few slime variations and found that replacing the water with lotion during the actual mixing process of the saline solution recipe was our number one preference.
A warm water bath is also a common method for possibly fixing a slime is no longer stretchy. Mainly this is used with a clear glue slime where adding lotion would not work due to the transparency of the slime.
You can definitely try a warm water bath by filling a bowl with warm water and allowing your slime to hang out in for 30 seconds.
We simply used dollar store lotion. Neither lotion or warm water in our opinion will completely change the consistency of your slime and your best bet is to simply try your slime recipe again!
Slime lasts quite a while! I get a lot of questions regarding how I store my slime. We use reusable containers in either plastic or glass. Make sure to keep your slime clean and it will last for several weeks. I love the deli-style containers I have listed in my recommended slime supplies list. If you want to send kids home with a bit of slime from a camp, party, or classroom project, I would suggest packages of reusable containers from the dollar store or grocery store or even Amazon.
For large groups, we have used condiment containers and labels as seen here. And you did only one cup. You can watch the full live video on FB though! Having an issue with my little ones slime. It should be moist and stretchy, but not sticky. Need something a little cooler and less basic? You can make glow-in-the dark slime with a similar recipe. Here's the instructions. Storing it in an airtight container is key. This will keep it from drying out and will make it last several days.
If you store the container in the fridge, you can get slime to last as long as a month without drying out or molding.
Generally, yes. Some people have skin reactions to various ingredients, depending on allergies or skin sensitivity. For example, my daughter gets rashes when exposed to certain laundry detergents, so we stay clear of those recipes. Most importantly, don't eat it or give it to a child who may put it in its mouth. Ingredients like saline solution and borax can make a person ill.
Read more : These tiny toilet paper crafts are anything but crappy. Read next : 20 unexpected ways to use dryer sheets. Be respectful, keep it civil and stay on topic.
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