re: pH Test Kits

• To: Aquatic-Plants at actwin_com
• Subject: re: pH Test Kits
• From: Cynthia Powers <cyn at metronet_com>
• Date: Tue, 13 Feb 1996 12:37:11 -0600 (CST)
• In-Reply-To: <199602130839.DAA20183 at looney_actwin.com>

Olga -

I use the Aquarium Pharmaceuticals Dry-tab pH test kit (wide range); 
gradations of 0.2 (i.e., 6.6, 6.8, etc) and, IMO, clear differences in 
color for each gradations.  And not expensive.  

Cynthia
 - in warm, sunny Texas 

> Another thing: I find it difficult to judge the pH accurately with the
> colour bars on the Tetra test kit box. Maybe my eyes are getting old!! :(
> Being sure if the pH is 7 or 6.9 or 7.1 is almost impossible as far as I'm
> concerned. Are there kits that don't cost an arm and a leg that have a more
> sophisticated way of showing pH levels? Or does everyone just make a guess
> within a point or two?
> 
> Olga
> in sunny, warm Vancouver.

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