All instructions for elephant toothpaste use liquid solution. would i use the crystals the same way? or do i need to turn the crystals into a liquid?

Fill a 500 ml vial containing 15 grams potassium iodide with water. Cap and shake until all the potassium iodide is dissolved (This should now be a saturated solution of KI made with 15 grams of KI and water.) Set aside.

I am looking for 'iodine crystals' to make lugol's. Which one of your products do I use?

You need "Potassium Iodide" and "Prilled Iodine Crystals" to make Lugol's. I don't see any Prilled Iodine on amazon right now (there is one listing but it is sold out). Search ebay for Prilled Iodine.

I am looking for sodium iodide to make elephants toothpaste, will potassium iodide work the same?

I actually bought this a few months back for a science project myself involving elephant toothpaste. This does work, however when combined with 3% Hydrogen Peroxide, it is a terribly slow reaction. Combined with 35% Hydrogen Peroxide though was the best combination my partner and I saw. It expanded about 5x its size in under 2 seconds.

ASIN	B008D8161I
Best Sellers Rank	#19,810 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Inorganic Reagents
Brand	ChemCenter
Brand Name	ChemCenter
Container Type	Bottle
Customer Reviews	4.5 out of 5 stars 487 Reviews
Item Weight	5 Ounces
Manufacturer	RND Center Inc.
Molecular Weight	166.0
Molecular weight	166.0
Package Information	Bottle
UPC	691054867642
Unit Count	3.5 Ounce

Potassium Iodide, High Purity Crystals/Granules,100 Grams (3.5 oz.)

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