Hi,
i think my digital ph meter is out because its saying that my water is at 7 but i did a manual test and that come up with roughly 6.8 and i was wondering how do you calbirate them again and i dont have any solution left. ie disattled water
axl
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Thread: Calbrating Ph meters
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Fri May 27, 2005, 04:49 AM #1Medium Discus
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Calbrating Ph meters
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Fri May 27, 2005, 02:12 PM #2Eternal Moderator
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I'm not sure if distilled water would work.
You can buy the calibration solution from some of the larger fish shops. It's not expensive. I think I got my last bottle from Age of Aquariums, one of the sponsors of this site.Thirty-five years keeping and breeding discus, and I'm still learning :P
Merrilyn has passed, but will not be forgotten - Goodbye dear friend
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Sat May 28, 2005, 12:05 AM #3Just an Egg
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- May 2005
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You need to get your hand on a buffer solution one for pH 7 and one for pH 4 and calibrate that way.
Always leave room to be surprised
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Sat May 28, 2005, 02:51 AM #4Medium Discus
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I got mine from a hydroponic shop $9.95 for a 500ml bottle.
Leanne
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Wed Jun 01, 2005, 01:49 PM #5San Merah Discus
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I just asked my lfs to adjust it for me.
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