Coliform Test Kit – Qualitative Presence/Absence Water Testing
Brand Chemical Supplies provides a reliable and easy-to-use Coliform Presence/Absence (P/A) Test Kit, specifically designed for rapid water quality screening. This kit is an essential tool for ensuring the safety of drinking water in residential, agricultural, and industrial settings. It provides a clear “Yes/No” result for the presence of coliform bacteria, including E. coli, which are primary indicators of fecal contamination and potential pathogens.
Technical Specifications
| Feature | Specification |
| Test Type | Qualitative (Presence/Absence) |
| Microorganisms | Total Coliforms and E. coli |
| Sample Volume | 100 ml per test |
| Incubation Time | 24 – 48 Hours |
| Incubation Temp | 35°C \pm 0.5°C (Standard) |
| Result Method | Visual Color Change (and Fluorescence for E. coli) |
Key Features & Benefits
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Simplified Protocol: No complex laboratory equipment like membrane filters or multiple-tube fermentation is required. Simply add the water sample to the pre-dosed testing bottle.
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Rapid Screening: Delivers definitive results within 24 to 48 hours, allowing for quick intervention if contamination is detected.
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Clear Interpretation: The high-sensitivity growth medium produces a distinct color change (typically from yellow to blue-green or purple, depending on the specific reagent) if coliforms are present.
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Built-in Dechlorination: Each 100 ml bottle contains a sodium thiosulfate tablet to neutralize residual chlorine in municipal water samples, ensuring that “stressed” bacteria can still grow and be detected.
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Cost-Effective Compliance: An affordable way for borehole owners, farmers, and small-scale water processors to monitor water safety without the immediate expense of off-site laboratory fees.
Primary Applications
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Borehole & Well Monitoring: Regular testing of private water supplies to ensure seasonal runoff hasn’t introduced groundwater contamination.
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Emergency Water Supply: Verifying the safety of water tankers and temporary storage bladders during municipal outages.
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Food & Beverage Processing: Ensuring that water used for washing produce or cleaning equipment meets basic sanitary standards.
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Hospitality & Lodges: Providing peace of mind for guests in remote areas or eco-lodges that rely on independent water systems.
How to Use
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Collect: Fill the sterile $100 ml$ test bottle to the fill line with the water sample.
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Dissolve: Cap the bottle and shake gently to dissolve the pre-measured growth medium.
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Incubate: Place the bottle in a warm area or incubator at 35°C for 24 hours.
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Observe: Check for a color change.
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No Change: Absence of Coliforms.
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Color Change: Presence of Coliforms.
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Fluorescence (UV Light): Positive for E. coli (requires a 365 nm UV lamp).
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Contact our water safety team today to order your 25-test Coliform Kit and take proactive control of your water quality monitoring.
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