Your questions, answered
Everything we get asked before the first order.
Cold performance
How long does Zero Ice stay cold?+
Up to 48 hours in a well-insulated, sealed esky. In a standard esky on a warm day with the lid opening regularly, expect a reliable 12 to 24 hours. Pre-chill the esky and keep the lid shut to get the most out of every freeze.
Do the cubes float in the cooler?+
No. Unlike bag ice that melts into water and sends everything floating, Zero Ice cubes stay solid and sit at the bottom. Your food and drinks stay dry and in place the whole trip.
Can I add water to the cooler with the cubes?+
Yes. The cubes are sealed and waterproof, so a splash of water will not affect them. Just remember they do not melt, so any water you add stays as water. Most people run them dry for a cleaner, meltwater-free esky.
Freezing & care
How do I freeze them? Can the bag go straight in the freezer?+
Yes, the whole bag goes straight in, no need to unpack. Lay it flat and spread the cubes into a single layer so cold air reaches every one. Once frozen, it is ready to load into your esky.
Some cubes in the middle of the bag didn't freeze. Why?+
They were most likely packed too tightly. Cubes in the centre of a dense bag are insulated by the ones around them, so they freeze last. Lay the bag flat and spread the cubes out into a single layer, then give them a full freeze. A large or tightly packed bag can take longer than you expect, so allow extra time and keep them spread out.
How long does the first freeze take?+
Around 24 to 48 hours in a standard home freezer, quicker in a deep or chest freezer. Large Cubes take a little longer than Standard and Mini, and a big, tightly packed bag longer again, so spread them out and freeze the night before your trip at a minimum.
How do I clean them?+
Rinse with warm water and mild soap after each use, then air dry before refreezing. No dishwasher, no boiling water, no harsh chemicals, as these can damage the outer shell.
How many times can I reuse them?+
Thousands of times. Freeze, use, refreeze, repeat. Look after them (no dishwasher, no boiling water) and they will last years of trips.
Safety & materials
Are Zero Ice cubes safe around food and drinks?+
Yes. They are 100% food-safe, made from BPA-free plastic filled with purified water. No chemical gels, no additives. Safe right alongside food, drinks, bait and catch.
Can I use a cube straight in a drink?+
Absolutely. They are BPA-free, food-safe, and filled with purified water. Drop a large cube in a tumbler and it keeps your drink cold for ages without watering it down.
Choosing & mixing
What is the difference between Standard and Large Cubes?+
The Standard bag (300 cubes) and the Mini bag (100 cubes) use the exact same everyday cube, the only difference is how many you get. Standard suits drinks coolers, medium eskies and everyday use; Mini is for lunchboxes and small coolers. Large Cubes (50 per bag) are a bigger 5cm cube with more thermal mass, so they hold cold longer, ideal for big coolers, catch bags and fishing trips.
Can I mix Standard and Large Cubes in the same cooler?+
Yes, and we recommend it. Use Large Cubes as your cold backbone and fill the gaps with Standard or Mini for maximum contact and no warm spots. Best coverage across the whole esky.
Pricing & shipping
Do you offer bulk discounts?+
Yes, the more you grab, the more you save. Our bulk deals and promotions change from time to time, so for the current offers (or wholesale and large-volume orders) just email
info@zeroice.co and we will sort you out.
Where do you ship from, and how long does it take?+
We hold stock in local warehouses in Australia, the USA and the UK, so your order ships from your own region, not from overseas. Dispatched fast on in-stock orders, typically 2 to 5 business days once on its way, with a tracking link as soon as it ships.
What is your return policy?+
A 30-day money-back guarantee. If you are not happy with your cubes for any reason, contact us within 30 days of delivery and we will make it right.
