Product Overview: SpotSee ColdMark Descending Temperature Indicators provide a quick, reliable way to detect freeze exposure in temperature-sensitive goods. Used worldwide in cold chain logistics, these irreversible indicators instantly reveal when a product has dropped below its safe temperature threshold, protecting quality and compliance.
ColdMark Descending Temperature Indicators
Instant freeze detection for critical shipments.
ColdMark Descending Temperature Indicators, manufactured by SpotSee, provide a clear, irreversible colour change when goods are exposed to temperatures below a specific threshold. These single-use devices are designed to monitor pharmaceuticals, biologics, chemicals, food, and other freeze-sensitive products during storage and transport.
Supplied by Stuck For®, a brand of Good Life Innovations Ltd — an authorised SpotSee® distributor.
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Instant visual alert – changes from clear to violet when freezing occurs.
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Multiple temperature options – common thresholds include −3°C, 0°C, 2°C, 5°C, and 10°C.
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Simple, cost-effective solution – no training, batteries, or calibration required.
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Single-use reliability – permanent evidence of exposure; cannot be reset.
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Supports product quality & compliance – trusted across healthcare, chemical, and food industries.
Pack Options
- 10-pack variants (per threshold)
- 100-pack variants (per threshold)
Benefits & Usage
Benefits
- Provides clear, irreversible proof of freeze exposure.
- Helps prevent unsafe product use and reduces waste.
- Fast, easy interpretation (clear → violet).
- Cost-effective, single-use cold chain monitoring.
Usage
- Select the correct ColdMark threshold for your product (−3°C, 0°C, 2°C, 5°C, 10°C, etc.).
- Remove the indicator from its protective packaging.
- Affix the ColdMark directly to the product packaging, vial, or shipment container.
- Store or transport as required — the indicator continuously monitors for freeze events.
- Inspect on arrival or during storage:
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Clear = Safe (no freeze exposure)
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Violet = Compromised (product exposed to freezing temperatures)
- Dispose after use — ColdMark is a single-use indicator providing permanent evidence of exposure.
