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Test Tube

Test Tube

These test tubes offer a simple and reliable solution for detecting fecal bacteria in drinking water, making them ideal for rural or remote areas where laboratory facilities and trained staff may not be available. Key benefits include ease of use and evaluation, low error sensitivity, room-temperature incubation (25-38°C), ready-to-use format, convenient storage without cooling, easy transport, and cost- and time-efficiency.

Category:

EspertoLab Tubes offer a range of benefits, especially for use in rural areas where access to laboratories and qualified staff may be limited:

  • Ready to use
  • Cost- and time-efficient
  • Local recycling into new test tubes available at EspertoLab distributor sites
  • User-friendly
  • Simple to evaluate
  • Low sensitivity to handling errors
  • Can be incubated at room temperature
  • Convenient storage (no cooling required, long shelf life)
  • Easy to transport

EspertoLab Tubes are designed to make water testing accessible, reliable, and sustainable in remote settings.

Form

Dry test strip in a polypropylene (PP) tube
Dimensions

25 ml capacity, 90 x 25 mm, with secure lock
Weight

9 g
Sample Type

Drinking water, suitable for both chlorinated and non-chlorinated samples due to thiosulfate in the test strip
Detection

Identifies Escherichia coli (e.g., ATCC 8739) and other H₂S-producing fecal bacteria, including Salmonella and Citrobacter
Detection Limit

Detects fewer than 10 CFU of Escherichia coli (ATCC 8739) in a 20 ml test volume
Selectivity

Selective against growth of non-fecal bacteria
Incubation

Results observable within 15–48 hours at ambient temperature (25°C to 38°C), with an optimal incubation temperature of 37°C
Disposal

Incinerate tubes with solution, or add disinfectant (e.g., Dettol, phenyl) before disposal; autoclaving recommended if available
Storage & Shelf Life

Store below 30°C in a dark place; 2-year shelf life

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