Insta-TEST® Magnesium
The one-dip Insta-TEST® Magnesium strip makes the testing process easy with just one dip of the strip into a pool or spa before matching the reaction to a color chart (0-400 ppm) on the bottle. This one of a kind test strip offers stable color development with very distinct colors. Packaged 25 strips per bottle.
How to use:
- Remove cap and collect one strip
- Dip Strip into pool water and remove
- Place strip against colour chart on rear of container
- Asses colour on the strip to correct readings
- Test the water at a minimum of once a week