6-in-1 pool and spa test strips, 100 strips for testing chlorine, bromine, pH, alkalinity, cyanuric acid and hardness

[Storage Conditions and Shelf Life]: 1. Storage Conditions: Store in a dry place between 2°C and 30°C, protected from light (store between 2°C and 8°C). 2. Product Shelf Life: Store in a dry place between 2°C and 30°C, protected from light. The shelf life is 12 months. 3. Shelf Life After Opening: After opening, the bottle cap must be sealed and stored in a dry place between 2°C and 30°C, protected from light. Please use as soon as possible. [Sample Requirements]: 1. Take 5 to 10 ml of sample, let it stand, then collect the supernatant for testing. 2. The test is performed at room temperature around 25°C. [Precautions]: 1. When removing the test strip, do not touch the reaction end to avoid contaminating the strip and affecting the test results. 2. After removing the required number of test strips, seal the remaining strips and store them away from light. 3. The liquid to be tested should be as colorless or light-colored as possible. Liquids that are too dark can be dehydrated by adsorption onto activated carbon before testing. If the liquid to be tested is relatively cloudy, let it stand for a while. After adjustment, take the clear end for testing. HIGH-PRECISION CHEMICAL TEST STRIPS for your pool and spa. Tests for 7 parameters: total chlorine, free chlorine, bromine, pH, total alkalinity, cyanuric acid (stabilizer), and total hardness. POOL STARTER KIT, EXTREMELY HIGH QUALITY pool test strips. Instant, reliable results with simple, clear instructions. Just dip and compare with the large color chart on the bottle. Ideal range marked on the bottle. SIMPLE, EASY TO USE, PROVIDES ACCURATE RESULTS in seconds, no assembly required, no water to collect, and no counting reagent drops, for technical and non-technical users. Works great for pool testing.