Sergeant Danny Nightingale told Daybreak that his court battle has been "life changing."
"I certainly wouldn't want any other family to go through this," he added.
Talking to presenters Lorraine Kelly and Aled Jones, he said he felt his fight was now "two thirds of the way through".
His wife Sally said the couple will continue to fight, "we've got to carry on," she agreed.
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Georgia Jones, 18, and Tommy Cowan, 20, were named locally as the pair who died after being taken ill at the Portsmouth event.
Targets for recycled and recyclable packaging should also be brought in to encourage firms to ‘harvest’ waste from consumers.
The store’s customer service, value for money and standard of stores were criticised by shoppers.