ph calibration

joselastra · 03-07-2008, 06:46 PM

is there any way to calibrate a ph metr w/o calibration fluid?

tbittner · 03-07-2008, 07:07 PM

I couldn't find a procedure to make calibration fluid. Without it, it would be impossible to calibrate it.

What is it connected to?

joselastra · 03-07-2008, 07:30 PM

its in my sump, if thas what you mean.

tbittner · 03-07-2008, 07:32 PM

I mean is it connected to something like an AquaController? Or is it a stand alone meter?

JWarren · 03-07-2008, 07:36 PM

Not without a calibration solution that has a known pH.

You could use white vinegar as a reference to see if you are in the ballpark, but to accurately calibrate the meter your need the solution.

The pH of vinegar is typically in the range of 2.5 to 3, depending on the concentration of acetic acid. Commercially available vinegar usually has a pH of about 2.4

joselastra · 03-07-2008, 08:32 PM

sorry, its a stand alone meter, like a pinpoint meter.

tbittner · 03-08-2008, 05:34 PM

I recommend ordering some calibration fluid. You should calibrate it every three months. You'll need two PH standards, like a 7 and a 10.

Without out the fluid, you just don't know how accurate you are.

03-07-2008, 06:46 PM	#1 (permalink)
joselastra Limpet Join Date: Apr 2007 Location: clifton, nj Posts: 133 View Gallery Karma Komment	ph calibration is there any way to calibrate a ph metr w/o calibration fluid?

03-07-2008, 07:07 PM	#2 (permalink)
tbittner Watch this Ma! Join Date: Jun 2007 Location: Northern VA Posts: 5,562 View Gallery Karma Komment Add yours!	Re: ph calibration I couldn't find a procedure to make calibration fluid. Without it, it would be impossible to calibrate it. What is it connected to? __________________ Terry 150g predator tank full of killers. Soon to be upgraded to a 360g. 450g reef 300g sump.

03-07-2008, 07:30 PM	#3 (permalink)
joselastra Limpet Join Date: Apr 2007 Location: clifton, nj Posts: 133 View Gallery Karma Komment	Re: ph calibration its in my sump, if thas what you mean.

03-07-2008, 07:32 PM	#4 (permalink)
tbittner Watch this Ma! Join Date: Jun 2007 Location: Northern VA Posts: 5,562 View Gallery Karma Komment Add yours!	Re: ph calibration I mean is it connected to something like an AquaController? Or is it a stand alone meter? __________________ Terry 150g predator tank full of killers. Soon to be upgraded to a 360g. 450g reef 300g sump.

03-07-2008, 07:36 PM	#5 (permalink)
JWarren Reef Lobster Join Date: Jan 2008 Location: Port Saint Lucie, Florida Posts: 1,391 View Gallery Karma Komment	Re: ph calibration Not without a calibration solution that has a known pH. You could use white vinegar as a reference to see if you are in the ballpark, but to accurately calibrate the meter your need the solution. The pH of vinegar is typically in the range of 2.5 to 3, depending on the concentration of acetic acid. Commercially available vinegar usually has a pH of about 2.4 __________________ John Typhoon RO/DI filter unit. My Saltwater web site. Help build ReefPedia!

03-07-2008, 08:32 PM	#6 (permalink)
joselastra Limpet Join Date: Apr 2007 Location: clifton, nj Posts: 133 View Gallery Karma Komment	Re: ph calibration sorry, its a stand alone meter, like a pinpoint meter.

03-08-2008, 05:34 PM	#7 (permalink)
tbittner Watch this Ma! Join Date: Jun 2007 Location: Northern VA Posts: 5,562 View Gallery Karma Komment Add yours!	Re: ph calibration I recommend ordering some calibration fluid. You should calibrate it every three months. You'll need two PH standards, like a 7 and a 10. Without out the fluid, you just don't know how accurate you are. __________________ Terry 150g predator tank full of killers. Soon to be upgraded to a 360g. 450g reef 300g sump.

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