It depends. Normal temperature water will freeze in about 3 hours, and warm water will freeze faster in about 2.5 hours. How long the ice can be frozen depends on the refrigeration capacity of the refrigerator and the speed of heat loss. The faster the heat loss, the faster the freezing time. The water container made of metal is faster, while the container made of plastic is slower.

Type of ice:

1. industrial ice: industrial ice is also called ice, ice bars, ice bricks, etc. Ice is frozen with pure tap water, and the temperature is about MINUS 20 degrees. Ice cubes are widely used in seafood, catering, hygiene, industry and food. Each ice cube is 50 cm long, 25 cm wide, 100 cm high and 200 kg net weight.

2. Edible ice: 20 kilograms of edible ice per bag (edible). Sanitary edible ice particles are made by freezing sterilized edible water at MINUS 20 degrees, which can be used for eating, freezing, preparing drinks, mixing wine in hotels and so on. Drinks are cold, so wine and drinks are cold, refreshing, delicious, economical, applicable and delicious.

3, transparent ice: also known as crystal ice, clear ice, transparent ice can be used for scenery, art sculpture, decoration, celebration ice sculpture, wedding ice sculpture, reception ice sculpture, wine injection ice sculpture, business meeting ice sculpture, Chinese and English font ice sculpture, theme modeling design ice sculpture, logo trademark ice sculpture, ice-breaking brand ice sculpture, festival ice sculpture, annual meeting ice sculpture, ice sculpture design), as small as weddings.

4. Crushing ice: Crushing ice is to grind large ice cubes into powdery ice with an ice crusher, which is very convenient for seafood preservation without breaking large ice cubes by yourself.