It's the flooding problem most of all. I'm in one of the few Manhattan co-ops that still allows washing machines and dryers and it's a wonderful thing to have it in my apartment. But many landlords, co-op board and condos don't permit them because of the flooding.
A couple of my friends and I made hot ice for our school science fair. We used sodium acetate. This project won first place at my schools science fair!!! Materials: Stove. Pot. A spoon. A glass cup. and Sodium acetate (you can find it online or in certain heat packs). How to do it: You heat water in a pot and put the sodium acetate in the water.
Buy dry ice in block form. Performing school experiments and creating fog effects both require blocks of dry ice. 1  Dry ice also comes in pellet form but is mainly used for dry ice blasting to clean surfaces, or for medical transportation. 2  The price of dry ice ranges anywhere from $1.00 to $3.00 per pound. Plan to pick up dry ice as close to the time you will need it as possible. 2  Since it is constantly changing from solid to gas, it has a very short shelf-life. 3  Every 24 hours, 5-10 pounds of dry ice turns from a solid to a gas.