This is for the tech nerds. You buy a device that looks like a thermometer from a spaceship. Stick it in the water. Wait a second. A number appears on a screen. Boom—instant precision. No guessing colors.
It’s cool, but you need to calibrate it. Calibration means dipping it in a special “buffer solution” first. Annoying, but worth it. The accuracy is insane. You’ll know your water’s pH to the hundredth decimal. Overkill? Maybe. Awesome? Absolutely.
Fun downside: They need batteries. And they die at the worst moment—right when you’re trying to test your pool water before a party. Keep spares.
