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Watersafe® Bacteria Test Kit Instructions

Check for the presence of bacteria in your drinking water with this do-it-yourself, EPA-based test kit. This tests for the presence of Coliform Bacteria in your water.  The presence of bacteria in drinking water is usually a result of a problem with the water treatment system or the pipes which distribute water, and indicates that water may be contaminated with germs that can cause disease as stated above.

General Instructions

1. Keep tests out of reach of children or pets.

2. Do not ingest anything from this test kit.

3. Do not drink water sample used for testing.

4. Store and use at room temperature (60-86 F).

5. Do not use on hot water or water containing bleach detergents.

6. Do not re-use any part of the test kit.

7. Do not open packets or vial until you are ready to perform the tests.

8. Read and follow all instructions carefully.

Bacteria Test Instructions

1. Take out the Bacteria Test vial and set upright on a flat surface.

2. Collect water sample or turn on tap to a very slow stream.

3. Carefully twist off cap and fill vial to 1/2 inch below the top (to 5 ml line).

4. DO NOT OVERFILL and DO NOT SPILL the bacterial growth powder in the vial.

5. Replace cap and twist on tightly. Shake the vial vigorously for 20 seconds.

6. Place the capped vial upright in a warm area (70-90 F) where it cannot be disturbed for 48 hrs.

7. After 48 hrs., observe the color of the liquid without opening the vial: 

   Purple color: Negative Result	Yellow Color: Positive Result
   (No bacteria were detected)	(It is highly likely that potentially harmful bacteria were detected).

    

8. For positive results, add bleach to the sample before pouring down the toilet, then wash hands carefully. Negative samples may be poured directly into the toilet. Discard vial in the trash.