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Re: [APD] drop checker for CO2
Well, I was all set to raise the flag and claim to have invented
this, but I quickly realized that the idea came from the second
person, Gomer, to post on the original ADA Drop Checker device
thread on APC. I chose not to be embarrassed by having someone point
that out. Now I am realizing that you can use Phenol Red as the
indicator, also cheap, and the unit will read in yellow-orange-red,
for those with certain color sensing difficulties. For that you just
need the KH to be 20 degrees. Maybe Greg Watson would like to stock
a cheap version of this device, and sell it with bottled fluid of the
right KH with the indicator already in it? But, he already does so
much for us I won't ask him.
On Oct 16, 2006, at 7:15 PM, Thomas Barr wrote:
>> Just because it is simple, non-electronic, and an old device,
>> not keep this from being a great idea! (It isn't my idea,
>> incidentally, although I wish it were. All I have done is
>> why it works, try it out, and publicize it.)
>> Vaughn H.
> You mean you do not make claim and appropriate it as your own?
> Tom Barr
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