Quote Originally Posted by shoebox
took the "First Check" test, had a nearly invisible/faint/hopeful line there. Hoping its a very visible line by Thursday. Will follow the dilution guidelines and post my results.
Do the testing facilities tell you pass or fail on the spot?
Depends on the facility and the type of test. Some facilities are certified to conduct on-the-spot instant testing, while others have to send the sample to another facility for any analysis.