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Re: Deformed Amazon Swords ?

>>Date: Mon, 26 Jan 1998 22:32:32 +0000
>>From: A M Moore <andy at ascot_u-net.com>
>>is there any reliable way
>>of testing tank Calcium & Potassium levels ? 

>LaMotte makes a hardness test kit that measures "General Hardness", i.e., Ca
>Mg hardness.  The kit allows a measurement of both and a measurement of just
>(or just Ca, I forget which).  Subtracting one result from the other result 
>gives you a measure of the second ion. See my web page for details.

>I think potassium requires a test requiring an expensive electrode. 

George, Lamotte also makes a 6-60ppm potassium kit # 3138. It uses Sodium
tetraphenylboron to react with the potassium to form a turbid white mixture. 
Best to you..........

Ric Cooney, N3BRB
Aquatic Gardeners Association