That Fabulous Seattle KH

• To: Aquatic-Plants at actwin_com
• Subject: That Fabulous Seattle KH
• From: Erik Olson <eriko at wrq_com>
• Date: Mon, 20 Jan 1997 18:23:17 -0800 (PST)
• In-Reply-To: <199701202032.PAA25065 at looney_actwin.com>

> From: Dan Simon <dan.simon at attws_com> 
> 
> I purchased the Tetra KH and GH kit yesterday.  I am aware that Seattle
> water is very soft but geez!! I'm starting to wonder if I'm using the kit
> properly. 
> 
> The KH kit says to add the drops until the vial turns light yellow. 
>  After 2 drops its clear and then on the third drop I start to see a 
> faint "yellow-ish" color.  However, there is no color change 
> progression as the instructions indicate.  Is the KH so low that it 
> just isn't registering?

That is correct.  During the rainy season (when water doesn't spend a lot
of time in resevoirs picking up carbonates), the KH is often < 1, which is
why the pH can fluctuate so much in the tapwater here.  If you add a
little baking soda to the water, you'll see the blue start point of the
kit.

btw, to help read the kit better, put the vial on a white piece of paper
and read from above. 

  - Erik

---
Erik D. Olson					         amazingly, at home
eriko at wrq_com

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