Dry Ice Packs Reddit: 2025 Rules, Sizing & Safety
Dry Ice Packs Reddit: What Actually Works in 2025? If you’re searching dry ice packs reddit, here’s a clear, compliancefirst playbook. You’ll get the 2025 rules (UN1845, venting, FAA/USPS/IATA notes), fast sizing (the 5–10 lb per 24 h rule), and safer packouts you can copy. Use this to ship frozen food or lab goods without rework at acceptance—while avoiding over or undersizing. This synthesis merges and improves your three drafts for 2025 onpage SEO and user intent. Reddit vs. rulebook: What dry ice packs reddit gets right—and where compliance wins (IATA PI 954, FAA, USPS). Fast sizing method: A copyready way to calculate how much dry ice for shipping. Pack, label, vent: A stepbystep compliant workflow you can standardize today. Dry ice vs. gel/PCM: When to swap to +5 °C or −21 °C PCM instead of dry ice. Carrier reality in 2025: USPS 5 lb air cap; FAA 2.5 kg passenger limit; cargo allowances under PI 954. Interactive tools & FAQs: Decision helper, quick tables, and answers to highintent questions....