A A AdvancedNewbie Dec 19, 2012 Yeah, that formula is much more accurate. I'm using a buffered solution @ pH 4 and pH 7 it's available at the hydro store. Make sure your solution is buffered - ie with the pH 4 buffered solution it will go back to 4 even if some acid/base is added
Yeah, that formula is much more accurate. I'm using a buffered solution @ pH 4 and pH 7 it's available at the hydro store. Make sure your solution is buffered - ie with the pH 4 buffered solution it will go back to 4 even if some acid/base is added