First Alert Drinking Water Test Kit WT1 User Manual Download Page 2

1

. Contents  - One Bacteria Test Vial

- One Lead / Pesticide Test Packet
- One Nitrate / Nitrite Test Packet 
- One pH / Hardness / Chlorine Test Packet

2

.  

Keep tests out of reach of children or pets. Do not ingest 
anything from this test kit. Do not drink the 
water sample used for testing.

 

Store and use at room temperature (60-86˚F). 
Do not use on hot water or water containing bleach 
or detergents. Do not re-use any part of the test kit.

3

.  

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

4.

 

Read and follow all instructions carefully.

before you begin...

opening the vial:

      

  Purple  Color:  Negative  Result

 (No bacteria were detected)

Yellow Color: Positive Result

 (It is highly likely that 

potentially harmful bacteria were detected)

7.  

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.

bacteria test instructions cont.

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

4.  

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

5.  

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

6.  

After 48 hrs., observe the color of the liquid without 

bacteria test instructions

The

 Lead Test

 can detect dissolved lead at levels below the EPA 

Action level of 15 parts per billion (ppb). The 

Pesticide Test

 

detects two of the most common pesticides used in the US at or 
below the EPA Maximum Contaminant Level (atrazine - 3 ppb, 
and simazine – 4 ppb). 

1

.  Open 

Lead / Pesticide

 packet and take out all contents.  

The packet contains a test vial, a dropper pipette, two test 
strips, and a desiccant (to be discarded). 

2

.  Using dropper, place 

exactly TWO dropper-fuls

 of water 

sample into test vial. To pick up sample, tightly squeeze the 
bulb at the end of the dropper and place the open end into 
water sample.  Release the bulb to pick up sample, then 
squeeze again to expel sample into vial. 

3

.  Swirl vial gently for several seconds. Place on 

lead / pesticide test instructions

a flat surface.

4.  

Place both test strips into the test vial, with 
arrows pointing DOWN.

5.  

Wait 10 minutes. Do not disturb strips or vial during this 
time. Blue lines will appear on the strips.

6. 

Take the strips out of the vial and read results.

Negative: 

Bottom line (next to number 1) is darker than top 

line (next to number 2).

Positive:

 Top line (next to number 2) is darker than 

bottom line (next to number 1), or lines are equally dark.

7.  

Note: If no lines appear, or both lines are very light, the test did 
not run properly and the result is not valid.

If a test strip shows a positive result, your water sample may 
contain lead or pesticides at a toxic level.

lead / pesticide test instructions cont.

If you only see one line 
next to number 1, the test 
is negative.

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1

.  Carefully open 

Nitrate / Nitrite Test

 packet and take out test 

strip.

nitrate / nitrite test instructions

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