Dec 10, 2006 #1 T tropicfishman Aquarium Advice Addict Joined Jan 16, 2006 Messages 1,918 Location Ashland KY what do the letters PH actually stand for?
Dec 10, 2006 #2 bs6749 Aquarium Advice Addict Joined Jun 16, 2006 Messages 2,493 Location Paw Paw, MI Potential of Hydrogen. Abbreviated "pH".
Dec 10, 2006 #3 OP OP T tropicfishman Aquarium Advice Addict Joined Jan 16, 2006 Messages 1,918 Location Ashland KY well I would have never guessed that one lol