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Hach TNTplus vials integrate the reagent, method, and calibration data into a single sealed system — eliminating variability at every step of the testing process
Barcoded vials auto-select the correct method and calibration curve on Hach DR spectrophotometers. No manual input, no risk of selecting the wrong program.
ISO-certified production ensures every vial performs identically, lot to lot, shift to shift, lab to lab. Only Hach chemistries and instruments form a truly integrated system
No weighing, no dilutions, no mixing. Add sample, scan barcode, get result. Complete test cycle in approximately 5 minutes vs. 30–60+ with DIY methods.
Hermetically sealed vials remain stable for up to 5 years unopened under standard storage conditions — eliminating the constant re-preparation cycle of DIY reagents.
Pre-validated against EPA, ISO, and Standard Methods. Every vial ships with full certificates of analysis and NIST traceable documentation — audit-ready from day one.
From COD and BOD to heavy metals, ammonia, phosphorus and beyond — one unified platform and workflow for your entire test portfolio.
| Feature | Hach TNTplus® Vials | DIY / Generic Reagents |
|---|---|---|
| Format | Ready – Pre-filled sealed vials, test immediately | Prep – Manual weighing, mixing, diluting |
| Calibration | Auto – Barcode auto-selects method & calibration curve | Manual – Operator must calibrate each run |
| Accuracy | High – Factory-validated, ISO-certified QC | Variable – Depends on technician skill |
| Time per Test | Fast – ~5 minutes from sample to result | Slow – 30–60+ minutes including preparation |
| Shelf Life | Long – Up to 5 years unopened | Short – Days to weeks |
| Safety | Safe – No direct contact with hazardous chemicals | Risk – Direct handling of acids & powders |
| Compliance | Certified – EPA, ISO, Standard Methods | Burden – Lab must self-validate |
| Total Cost | Lower TCO – Less waste, rework, labor | Hidden Cost – Errors, repeats, high labor |
When analysts manually prepare reagents, results vary based on individual technique. Inter-operator variability undermines data credibility, particularly in multi-shift operations, distributed networks, and during regulatory audits.
TNTplus barcoded vials auto-select method and calibration — eliminating operator dependency entirely.
Manual reagent preparation consumes 30–60 minutes per test cycle. Skilled laboratory staff spend more time on chemistry setup than on the analysis and interpretation they were hired to do
Pre-filled sealed vials eliminate all preparation steps — complete testing in approximately 5 minutes.
Preparing concentrated chemical solutions exposes staff to chemical burns, toxic vapor inhalation, and spill incidents. Managing hazardous substance storage and OHS compliance creates administrative overhead and incident risk.
TNTplus uses a fully enclosed vial system — no direct contact with hazardous reagents whatsoever.
Environmental discharge permits and drinking water standards require testing against validated methods. Labs using DIY reagents must independently validate that preparations meet official method performance specs — a costly and complex undertaking.
Hach has more EPA- and ISO-approved methods than any competitor — audit ready documentation included.
Homemade reagents can have shelf lives as short as 24–72 hours. Labs are forced into a cycle of constant re-preparation, generating reagent waste, increasing workload, and risking tests run on degraded solutions.
TNTplus vials remain stable up to 5 years — eliminating the waste and re preparation cycle entirely.
As regulatory requirements evolve, labs must cover more parameters without proportional budget or staffing increases. Managing multiple DIY preparations for different tests quickly becomes operationally unsustainable.
100+ parameters on one unified TNTplus platform — same simple workflow across your entire test portfolio.
