Thanks guys, yeah, I assume it's just a hard thing to get a quantifiable reaction on. The test kits that I have the least frustration with are those that involve a titration. I hate anything that requires me to guess a colour and compare it to a chart, apparently I'm colour blind.
Lando, how much ambient light was there in that picture? I was trying to do this at midnight last night, I guess that's not going to work out too well, I'll try doing it at high noon (and upstairs where there are windows) and try again.
I can just make out the colour strip in your picture. It feels like I'm going to be guessing an awful lot about with this one, although maybe with practise it will be easier to start getting some reasonably consistent readings.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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