Easy to Carry: Swimming Pool Test Paper is small in size so it is easy to carry. It can accurately measure your pH to indicate alkaline status. It is very convenient. Practical Tool: Pool TestStrip can test all necessary parameters of your swimming pool so it allows you to monitor water quality at any time. It is a practical tool. Read In Natural Light: You need to read our Water Quality Test Paper in natural light for great results and store it in a cool dry place. It is very convenient. Ease of Use: You just need to collect a glass of pool water sample dip our Water Test Strip for 5 seconds then wait 30 seconds to read the pool test strip with the color chart. It is easy to use. Multiple Uses: You can use our Drinking Water Test Strip for drinking water household faucets well water freshwater pools fish tanks swimming pools etc. It is widely used.