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PH Probe Problem
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Jeffatpm View Drop Down
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Joined: September 23 2010
Location: West Jordan, UT
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Points: 1740 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeffatpm Quote  Post ReplyReply Direct Link To This Post Topic: PH Probe Problem
    Posted: May 15 2012 at 1:42pm
I'm having trouble calibrating my ph probe and need some help.
 
The ph in my tank has been a bit high and causing my apex alarm to go off,  Everything was looking great and happy so wasn't too worried, tested alk and calc and was within acceptable tolerances.
 
I figured my ph probe had started reading incorrect and needed calibration.
 
I got 7 and 10ph caliberation packets.  I've done it a few times and still seems to be off.  I even timed it to sit in one packet for two min and then the other for two min.
 
PH shows 7.94 when I do a ph test kit shows ~8.2.  The probe is about 2 years old.
 
Thoughts suggestions?
210 Reef with loads of LEDS
Large Fishey Room
Located Near Jordan Landing in West Jordan.
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96slowbra View Drop Down
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Joined: October 18 2011
Location: clearfield
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Points: 392 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 96slowbra Quote  Post ReplyReply Direct Link To This Post Posted: May 15 2012 at 6:47pm
either their site or reefgeek's site says probes are only good for a year or two , and calibrations are needed around every 6 months....

Edited by 96slowbra - May 15 2012 at 6:48pm
105 rimless
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Jeffatpm View Drop Down
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Joined: September 23 2010
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Points: 1740 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeffatpm Quote  Post ReplyReply Direct Link To This Post Posted: May 15 2012 at 8:01pm
ugh I was afraid of that.
 
Has anyone heard of a proper calibration procedure, how long to leave in each solution?
210 Reef with loads of LEDS
Large Fishey Room
Located Near Jordan Landing in West Jordan.
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96slowbra View Drop Down
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Points: 392 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 96slowbra Quote  Post ReplyReply Direct Link To This Post Posted: May 16 2012 at 11:02am
just until it stops moving. i just calibrated mine, seemed like the whole process took about 2 min
105 rimless
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Jeffatpm View Drop Down
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Joined: September 23 2010
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Points: 1740 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jeffatpm Quote  Post ReplyReply Direct Link To This Post Posted: May 16 2012 at 1:32pm
Mine kept moving after the two min it was in one solution.
210 Reef with loads of LEDS
Large Fishey Room
Located Near Jordan Landing in West Jordan.
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