200 Strips pH 1-11 Universal Indicator Paper Johnson Test Papers
 
 
This is quality product manufactured in the United Kingdom. Since it is a test kit, the product are formulated and calibrated to meet established standard with Quality Assurance ISO 9001
 
These products provide immediate and accurate results for a number of applications. They offer a cost effective method for simple tests for acidity or alkalinity
  
  
 
 
 
pH test indicator paper 200 strips (10 x 20) / Universal
 
 
 
The indicator paper set with distinct color PH scale from 1 to 11 for result comparisons:
 
 
 
Grow healthy plants knowing the pH level of your garden soil or drinking water!

The kits come with paper strips that change color and a color chart that tells the pH level. Once you know your soil's pH level, you can adjust it accordingly to fit your needs.
1. Put 1 table spoon of soil into a bowl.
2. Add just enough distilled water to make the soil the consistency of a milkshake. The amount of water needed depends on the type of soil you have. Add a little water at a time, and constantly mix it with a spoon.
3. Let the soil sit for one hour. If the soil dries out at any point during the hour, add more water.
4. Dip a pH test strip from the soil pH tester kit in the soil, and let it sit for 20 sec. Then, rinse the strip with distilled water.
5. Compare the color on the strip to the color chart included with the pH tester kit.

To test water PH:
1. Press the testing strip to the object or liquid you are testing.
2. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.

 
 
Litmus Blue paper 200 strips (10 x 20)
 
 
 
pH 5 – 8         Red - Blue      (Litmus)  
 
pH 3 – 5         Blue – Red      (Congo red) 
 
  
 
Red Litmus: For the testing of basic substances. Red paper turns blue. 
 
 
Blue Litmus: For the testing of acidic substances. Blue paper turns red.
 
 

PLEASE NOTE:
a) For a better testing effect, please do not expose the paper set to air or sunlight. The paper should be stored in a dark dry place, not damp.
b) Can not indicate the Acid or alkali solution when its density was lower than 0.01%.