Is there a way to measure TA in a more granular way other than in increments of 10? Can I take 50ml of water and double the amount of each of the drops and get a measurement graduation that is in 5ppm? Not sure if this is a linear scale or not, but I'm looking for something a bit more accurate than 10ppm. (Yeah, overkill, I'm sure, but trying to understand the chemistry a bit better. TF-100 test kit, btw.