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Re Potassium Calculation



Date: Tue, 08 Jan 2002 19:03:43 -0700
From: Chuck Gadd <cgadd at cfxc_com>

>> Matthew Calfat wrote:
>> 
>> I made a K20 solution using 70g of the substance in 
>> 1000ml of water. Tank size is 120 Gallons. (Note my 
>> source is only 60% K20, 83% of the K20 is K, which 
>> yields about 50% K when dissolved, basically similar to KCL)
>
> You should double-check the Potassium source you are using.
>
> The amount of chloride from 
> even KCl, even at 40-50ppm, isn't harmful, but if the potassium
> were KNO3, then it would be adding wayy to much nitrate.

What would be a Cl- harmful level ?

Philippe

> - --
> Chuck Gadd
> Director of Software Development, Cyber FX Communications
> e-mail:cgadd at cfxc_com  http://www.cfxc.com