What’s a good craft substitute for contact lens solution?

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  1. If you need a substitute for contact lens solution for a craft project (not for actual eye use!), here are some safe alternatives depending on what you’re trying to do:

    Common Craft Substitutes for Contact Lens Solution
    Saline solution (if you have it) — a simple mix of salt and water, often works like contact lens solution in crafts.

    Water + baking soda — mix a small pinch of baking soda into water to mimic the mild cleaning effect.

    Water + a tiny bit of mild dish soap — great for cleaning or dissolving stuff gently, but use sparingly.

    Water alone — sometimes plain water is enough depending on the craft.

    Important:
    Never use these substitutes for cleaning or storing actual contact lenses! Contact lens solution contains specific disinfectants and preservatives critical for eye safety.

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  2. If you're using contact lens solution in a craft project (like making slime), and you’ve run out, here are some good substitutes — but only for crafts, not eyes!


    Best Craft Substitutes for Contact Lens Solution:

    1. Baking Soda + Water + Saline Spray

    If the original slime recipe needs contact lens solution for the boric acid, you can mix:

    1 tsp baking soda dissolved in

    1 cup warm water

    Add a squirt of saline nasal spray or eye drops (they usually contain boric acid or sodium borate)

    Works well as a DIY slime activator!

    2. Borax Solution

    Mix your own borax activator:

    1 tsp borax powder

    dissolved in 1 cup of warm water

    This gives you the borate ions you need, just like contact lens solution. Use it sparingly when mixing slime — too much and it turns rubbery.

    3. Liquid Starch (like Sta-Flo)

    Can be used on its own as an activator in some slime recipes.

    Just mix directly into glue until the slime forms.


    ⚠️ Avoid These:

    Salt water alone – doesn’t work as an activator

    Contact lens cleaners (like hydrogen peroxide-based ones) – not the same thing

    Actual eye contact solutions – expensive and wasted in crafts


    Final Tip:

    Only use these substitutes for fun DIY projects like slime or sensory putty. If you're looking for real contact lens solution for your eyes, these are definitely not safe alternatives.

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