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When shipping live animals, tropical fish, or other temperature-sensitive items, keeping the box warm and stable is critical. Even the best heat pack can lose effectiveness if the shipping environmen …

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Wondering what to do with used heat packs after a winter shipment? Here’s a clear guide on how to handle UniHeat warmers once they’ve done their job—plus what not to do. Important n …

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Shipping tropical fish during the winter months requires extra preparation. Cold snaps, snow, and below-freezing conditions can stress or even harm delicate species if shipments aren’t packed c …

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Winter shipping often means facing freezing temperatures, snow, and even sub-zero conditions. One of the most common questions we receive is whether UniHeat packs still work effectively in extreme co …

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The Science Behind Heat Packs: How They Generate Warmth Have you ever wondered how UniHeat packs stay warm for hours—or even days—without batteries or electricity? These small, lightweigh …

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Cold weather can create serious challenges for small businesses shipping live animals, plants, or perishables. Freezing temperatures may damage products, delay deliveries, and upset customers if pack …

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