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i can... hopefully tonight.. just been super busy and haven't been home.... working long hours.. like that's a bad thing lol...Anyone able to try the 1:1 dilution with the 1ppm standard and their tankwater (assuming the tankwater reads 0)?
Oiseau, just to clarify - you did a 1:1 dilution of the 1 ppm standard and got a result of 0.06?
Sorry for the delay guys. Here are my results from Sowellj's standards:
Standard 1.0 = 0.93 Hanna
Standard 0.1 = 0.06 Hanna
Standard 0.01 = 0.00 Hanna
I guess I'll just figure that if I see zeros, I'll know my phosphates aren't much above 0.04 - 0.05. But if I see 0.01 or more, then I'll need to take action?? :squigglemouth:
One of you should ship your meter to sowellj so he can run a battery of tests. Or perhaps several of you could send him one to measure consistency between meters.
Sowellj, check out post #216 which is from Jessica, the Hanna rep. Troylee has her email address as well, which may be the best way to contact her as I'm sure she's not checking this thread.
Kudos again on the standards! Very nicely packaqed and well prepared...you went above and beyond the call of duty! :bigsmile:
I don't like that they give the range as 0 to 2.5 ppm ... Even in neat solution it looks like their low end reliability is around 0.1 ppm. Even that is off a good bit. Given Oiseaus result, I don't think I have a lot of confidence in these. I have some ideas on how to maybe get around this, but, these are just based on how I am guessing that their meter works.