Swimming Pool Test Paper 100 Pack 7 In 1 Drinking Water Fish Pond Hot Spring Water Quality Test

Swimming Pool Test Paper 100 Pack 7 In 1 Drinking Water Fish Pond Hot Spring Water Quality Test 【Storage conditions and shelf life】: 1. Storage conditions: Store in a dry place at 230 away from light (store at 28). 2. Product shelf life: Store in a dry place at 230 away from light, with a shelf life of 24 months. 3. Shelf life after opening: After opening, the tube cover needs to be sealed and placed in a dry place at 230 away from light. Please use it up as soon as possible. 【Sample requirements】: 1. Take 5-10ml of sample, let it stand and take the supernatant for testing. 2. The test is carried out at room temperature of about 25. 【Test method】: 1. Immerse the reaction area of ​​the test strip in the solution to be tested for 1-2 seconds, take out the test strip, and off the excess water on it. 2. After 30 seconds, compare the reaction area of ​​the test strip with the color of the colorimetric card to determine the test value of the solution to be tested. 3. The colorimetric time should be controlled within 60s. Too long or too short a time will affect the reading. 【Precautions】: 1. Do not the reaction end of the test paper when taking out the test paper to avoid contaminating the test paper and affecting the test results. 2. After taking out the required number of test papers, seal the remaining test papers and store them away from light. 3. The liquid to be tested should be kept colorless or light-colored as much as possible. Before testing the liquid with too dark color, it can be dehydrated by adsorption with activated carbon. If the liquid to be tested is relatively turbid, let it stand for a while, and take the clear part for testing after precipitation. Packing list: 100 test papers

Label: Yes

Material: paper