taylor r-0871

I haven't seen this discussed in the forums and was talking with someone on Reddit about this. Why does Taylor seem to be saying that 20ppm is the max you can test with their FAS-DPD tests here: https://www.taylortechnologies.com/en/Image/GetDocument/607 But then here on the Potential...

It’s time to refill my stock of R-0871 (C size). In the past, I have had great success buying reagents on Amazon after vetting the vendors via reviews. This year, I’m seeing nothing but disappointed people complaining about expired reagent or receiving the wrong size. What’s a good, reliable...