Well just add one scoop using the little blue scoop. If the sample does not turn and stay pink add another scoop. You only need enough to have a nice pink to start with.
You can't add too much powder, but you can have too little. The higher the FC, the more powder you need.
Here are more detailed instructions for the tests:
extended-test-kit-directions-t25081.html
You can't add too much powder, but you can have too little. The higher the FC, the more powder you need.
Here are more detailed instructions for the tests:
extended-test-kit-directions-t25081.html