Can the whole outer box be placed in freezer ?
Yes, but freezing time will increase a little due to mass.

Do I need an insulated outer package ?
Absolutely yes to increase performance and maintain required chilled environment.

How many coolants are needed per insulated package ?
This depends on size of box and advice is given on an individual basis.

How should packs be placed in insulated package ?
Top and bottom first, followed by sides if needed.

Are the coolants re-usable ?
Yes, but not endlessly. We do not guarantee lifespan of use.

Are the coolants hazardous ?
Totally non-hazardous. Derived from EC food grade approved materials.

How long will coolants maintain desired temperatures for ?
Subject to appropriate insulation being used, our trials and feedback from customers show excellent results for a minimum of 24 hours up to 56 hours.

At what temperature should I freeze coolants ?
-15C or lower, except Easi-Ice -22C or lower(normal domestic freezer will suffice)

How long do I need to freeze the coolants for ?
24 hours.