Insta-TEST 4 plus is the ideal testing strip for swimming or spa pools. Featuring an easy to read colour chart these strips are simple to use. Just dip the strip into the water and read. The bottle has a moulded desiccant liner, which protects the strips from moisture and UV light.
- Free Chlorine 0-10ppm
- Bromine 0-20 ppm
- Total Alkalinity 0-240ppm
- pH 6.2-9.0
- total Hardness 0-800ppm
Directions for use
- Immerse strip in the pool to elbow depth for 2 seconds.
- Remove with pads face up.
- Shake once to remove excess water.
- Read immediately starting and from the top and working down.
For spas, turn off jets before testing.
Storage and care
- Keep wet fingers out of the bottle
- Close cap tightly after removing strip
- Store in a cool dry place away from direct sunlight
Bottle contains 50 test strips.