Local ph calibration solution?

Does anyone have any solution that I can buy off of them...someone preferably close to Allen, TX.


..and do I need 4,7, and 10? I don't have the instructions anymore.
 
Thanks Matt. I didn't even think to call them. I called Exotic Aquatics and they didn't have any and by the sound of the reply I got it wasn't something they carried.
 
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