I recently purchased the CAMWAY Digital TDS Tester Pen for testing the quality of water in my backyard pool. The compact design of this pen makes it easy to carry around and test water anywhere, anytime. The setup process was simple and I was able to use it right out of the box. The readings were accurate and reliable, giving me a clear picture of the water quality in my pool. However, it could have been better if the instructions were more detailed. Overall, I would recommend this product to anyone looking for a reliable and easy-to-use water quality testing tool.
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