Feature:1. Designed for pool & spa water quality test, analyzes three chemical factors: free chlorine/bromine, PH, alkalinity.2. Suitable for drinking water, aquarium, swimming pools and spas, industrial water, pond, hot spring water.3. Sensitive reagent swimming pool strips, quickly get the precise results. It only takes 0-1 minute to test the sample.4. 50 swimming pool test strips are placed in a storage bottle, the packaging is not easy to damage, and can effectively prevent moisture.5. Classical colorimetric analysis, multi-level detection requirements, visual reading with colorimetric card.Spec:Item Type: Test StripsMaterial: Test PaperColor: As shown in the pictureWeight: Approx.30g/1.1ozTest Material: Free chlorine/bromine, pH, alkalinityStorage Method: Cool and dry place, avoid high temperaturePackage List:1 x Bottle of Test Strips(5 pack/bottle, 10 strip/pack, total 50 strips)Notice:1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.2. Every small pack is the same