Ghl ph calibration fluid

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ajhudson15

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I was getting ready to set up my calcium reactor and I didn't realize I needed the blue ph 9.0 solution to calibrate the new ph probe. It's $9 on ghl website and then $15 just for shipping. I've been online and can't find any that is 9.0. Had anyone ever made their own out of anything or have any suggestions
 

esther

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I was getting ready to set up my calcium reactor and I didn't realize I needed the blue ph 9.0 solution to calibrate the new ph probe. It's $9 on ghl website and then $15 just for shipping. I've been online and can't find any that is 9.0. Had anyone ever made their own out of anything or have any suggestions

I bought solution that was 10. You can actually change the calibration fluid value when you go through the process. I bought atlas solution on Amazon.
 
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ajhudson15

ajhudson15

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See on Step 6? Just change it from 9 to 10.

This is the solution I bought.

So I could really get whatever I can find and change the value. Thanks i really appreciate it. Sucks ghl is 9 when apex is 10. I have apex dealers around me that have that one but no ghl
 

Manny’s Reef

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I am so glad I found this post. I was wondering the exact same thing. $15 shipping for a $9 item. Even eBay sellers are trying to charge $14.99 for shipping. Ya no thanks. Thanks to everyone who posted the info confirming we can use any kind of calibration fluid.
 

lpramos

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Awesome! Thank you for the tip about changing the 9 to a 10. I had no idea.
 

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