ユニバーサルpH試験紙

Finally, a pH paper that doesn't leach anything weird into my test solutions. The color chart on the vial makes matching shades a breeze, even in dim light.

The two-in-one scale on the vial is genius—I can use the fine 2-10 range for my aquarium checks and still have the full 0-14 for other stuff. Readings are easy to match within seconds, and I like that the strips don't mess with the solution I'm testing.

I was worried about contaminating my samples, but these strips really don't add anything to the solution. The 0-14 range in 1.0 increments gives me just enough detail for quick checks without overcomplicating things.