Premium Aquarium Test Strips 6 in 1 Swimming Pool Water Tester Paper Nitrite

Label:Yes Package:50pcs/box*6 in 1 Test Strips Name:6 in 1 Test Strips Color:as picture Material:PVE Test time: 30 seconds Size:as picture Features: Preferred material: made of PVE and other materials, safe and environmentally friendly, no pollution. The family pool test zone for pools and spas. Test 6 parameters: nitrate, nitrite, ph, residual chlorine, total hardness, total alkali. easy-to-use swimming pool water quality test strip, using simple and clear instructions to get reliable results immediately. Just dip it and compare it with the big color chart on the bottle. for Ideal marked on the bottle. 50 averages and 50 tests-each swimming pool test strip can provide accurate and fast results for any water source (including for fresh and salt water swimming pools, spas and hot tubs). 6-in-1 swimming pool aquarium test strips bring you a different experience.

Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.