[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Sera test kit and fertilizer

To: Aquatic-Plants at actwin_com
Subject: Re: Sera test kit and fertilizer
From: Bryan Bankhead <bbank at megsinet_net>
Date: Fri, 27 Aug 1999 09:06:50 -0400
References: <199908270748.DAA29524 at actwin_com>

Michael Moncur wrote:
> 
> The Sera test definitely works with chelated iron, or at least it works 
> with whatever (DPTA, etc.) is in Tropica MasterGrow. If you give it 3-4 
> hours it works, but the response after 3 minutes is negligible.
> 

	Indeed, I saw this effect too. If you leave the test standing long
enough and ANY iron concentration you will get a color. And it will
deepen the longer you leave it. So at what point in time do you read the
color?

Prev by Date: Krib LIKES back glass mirror reflection
Next by Date: Changing swords
Prev by thread: Re: Aquatic Plants Digest V3 #1239
Next by thread: DIY light questions
Index(es):
- Date
- Thread