Some people in Christchurch are having to gather water in solar showers and watering cans as shops sell out of containers.
Outdoor supplies and DIY stores say they are selling out of water purifiers, portable toilets, generators and gas canisters.
Steve Heap, operations manager at Bunnings Warehouse in Riccarton, said the store had been discounting large orders and selling at cost to emergency services and groups of volunteers.
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