Features:
7-in-1 Spa and Pool Test Strips for testing total hardness/total chlorine/free chlorine/bromine/pH/total alkalinity/nitrite.
50 strips well wrapped in waterproof and moisture-proof bottle for better storage and convenient transportation.
The test strips show accurate and clear results instantly, and the color chart on the bottle is easy to read.
Simply dip this test strip into water and compare with color chart, easy to use.

Specifications:
Material: PET
Quantity: 50pcs/bottle
Total Chlorine: 0~500
Free Chlorine: 0~20
Free Bromine: 0~20
pH: 6.2~8.4
Total Alkalinity: 0~400
Nitrite: 0~80
Hardness: 0~425
Test Strip Size: 90*5mm / 3.54 * 0.19in
Package Weight: 35g / 1.23oz
Package Size: 10.8*4.5*4.5cm / 4.25 * 1.77 * 1.77in

Packing List:
50 * Test Strips