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firefly123

  • Posts: 516
t d s meter
« on: June 22, 2012, 07:41:47 pm »
how often do you change yours had mine 4 years now just wondering if they go out of calibration
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shiney one

Spruce

  • Posts: 8646
Re: t d s meter
« Reply #1 on: June 22, 2012, 07:54:04 pm »
Why not buy a bottle of calibration fluid and check it.
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Success is 1% inspiration, 98% perspiration and 2% attention to detail!

The older I get, the better I was ;)

weetot

  • Posts: 2097
Re: t d s meter
« Reply #2 on: June 22, 2012, 08:24:33 pm »
But whos gonna check the fluid?
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Never take financial advice from people who have no money!

colin purewater

  • Posts: 2282
Re: t d s meter
« Reply #3 on: June 22, 2012, 08:26:22 pm »
Quote from: weetot on June 22, 2012, 08:24:33 pm
But whos gonna check the fluid?
;D
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keep it simple

Granny

  • Posts: 824
Re: t d s meter
« Reply #4 on: June 22, 2012, 08:47:12 pm »
Hi
Mine says calibrate with Sodium Chloride NaCl - Salt.
http://www.theaquariumsolution.com/calibrating-tds-3-hand-held-tds-meter
Granny
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Window Washers

  • Posts: 9036
Re: t d s meter
« Reply #5 on: June 23, 2012, 12:04:06 am »
thats good going 4 years, I have always had 2 of them but never lasted 4 years :o
if you think it is out buy another and check against it, I just discard mine and buy another saves faffing about
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If your not willing to learn, No one can help you, If you are determined to learn, No one can stop you ;)
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