Jack's Magic Stain ID Kit is the first step in performing a successful Jack’s Magic stain removal. The Stain ID Kit is designed to take the guesswork out of removing swimming pool stains. One of the (4) simple topical tests will identify what bests removes a swimming pool stain, saving both time and money.
It is a violation of Federal law to use this product in a manner inconsistent with its labeling.
Note: The water should be at least 65-70 degrees in order to insure accurate testing results.