One pack makes one gallon of gel water. You can add water soluble supplements to the water before soaking. Takes approximately 24 hours to fully soak up the water. This is the same stuff that Flukers sells for crickets, except that it does not include calcium, colorants, preservatives or supplements. I have to bump the price up to $5.81 shipped, this covers the crystals, shipping and delivery confirmation. If paying by credit card paypal, please add $.50 to cover paypal fees. Multiple packs will get a shipping discount. I accept paypal and POSTAL money order.