I've also noticed this. It seems the PH test in the TF-100 is open to a lot of interpretation due to the color chart. Is there another PH test that can give more accurate results? Perhaps one with a color-changing indicator like the DPD chlorine test?lovingHDTV said:Along these lines, for the Tayler PH test. How far behind the kit do you put the white clothe? I find that the color changes if it is directly pressed to the back of the color thingy vs. an inch away.
I use a wonderful invention called a window!lovingHDTV said:Ok, now I just need to get permission to cut a hole in the ceiling so I can see the blue sky from the kitchen.