Your pool water test strip might be telling the truth, but your eyes might not be. We dig into why test strips often feel inconsistent, how lighting and subjective color matching can turn a “real” chemical reaction into a shaky guess, and what you can do to get more reliable results without slowing down your whole pool care routine. We also talk about the growing world of digital test strip readers and smart pool testing devices, and why they’re trying to solve the biggest weakness of ...