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Unread 11/11/2015, 10:14 PM   #18
jason2459
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Join Date: Jul 2009
Location: Iowa
Posts: 9,671
Quote:
Originally Posted by Dan_P View Post
I like your investigation.

I too like API. No matter what test I use, I either use a Hanna checker to give me a number which I translate to ppm of whatever with a calibration curve or I use a colorimeter app for my iPad camera to read the color of the solution which again I use a calibration curve to translate it to ppm of whatever. It is more work but I don't have to read charts and I can cut the test solutions in half to double the number of tests per kit (I perform a lot of tests).
Thanks. I've seen a couple threads people using color scale apps to help differentiate between shades. Very interesting. I have a pool test kit that uses an app to use the camera on my phone to scan the strips and give me the results including what chemicals I should use. I trust it to kill anything in the water I don't want. Buy that's my pool. I would hesitate to trust it to keep anything alive. lol


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