Frequently Asked Questions
How do the GHI Heat Packs work?
When squeezing (or clicking) the metal disc, a reaction is set off, causing the liquid inside to immediately crystallize and heat up to 130 degrees.
Do I need to click all the "buttons" on the larger sizes to activate them?
No. The buttons you see on the larger sizes are only there to allow for more flexibility of the pack. Activating the pack only requires clicking the single metal disc.
Will the GHI Heat Packs reset themselves after I am done using them?
No. To reset the packs, boil them in water until clear, then allow to cool to room temperature before reusing.
Why is my pack rock solid after I've finished using it?
When activating the heat pack, crystals form immediately. They remain soft for a while but as they cool down, they begin to harden. Eventually, the pack will be quite solid. To return the pack back to its liquid state, simply boil for the recommended length of time.
How do I make it a cold pack?
In its liquid state, place the pack inside your refrigerator for 1-2 hours. The pack can remain in the refrigerator for an unlimited length of time without causing any damage.
I like to interchange hot and cold therapy. Will clicking the coin make my pack become nice and hot right after taking it out of the fridge?
Yes.
Can I place my GHI Heat Packs in the freezer to make it cold?
Yes, but only for a few minutes. If placed in the freezer much longer than that, the pack will activate itself, become hot then rapidly cool down and the crystals will become hard.
I put my GHI Heat Pack in the freezer and now it's rock solid. How do I "unfreeze" it?
The pack never actually froze in the first place (see question above). To reset your pack, simply boil in a pot of water per recommended length of time for your pack (see question below).
How long should I boil my pack for?
Recommended boiling times:
- Neck/Shoulder : 20-30 minutes
- Back/Abdomen: 15-20 minutes
I boiled my GHI Heat Packs and it is crystallizing all over again by itself. Is my pack defective?
Not necessarily. More than likely, the pack wasn't boiled long enough (see above for recommended times). Just boil it again until the pack is completely clear, then remove from water and allow to cool. If it continues to re-crystallize on its own after boiling, the pack may be defective. See page entitled "exchange policy".
What if one of my kids or my dog breaks it open? Are the contents toxic?
The liquid in GHI Heat Packs is simply sodium acetate (a compound made from vinegar and baking soda) and water. The main flavoring used in making salt-and- vinegar potato chips is sodium acetate, to give an example.
GHI Heat Packs are environmentally safe, non-toxic and CE European Standard as well as FDA approved.
Can the GHI Heat Packs puncture if poked with something sharp?
Yes. Try not to poke it with sharp things.
Can I boil my GHI Heat Packs in the microwave?
No. There is a metal disc inside the pack and could cause damage if placed inside a microwave
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