Re: [AGA-Member] To much K in the water

[Heather J Gladney <hgladney@comcast.net>]

There's folks out there who know a great deal more than I do, but Chuck 
Gadd's site is useful on doing the numbers.
This page goes to adding nitrogen, but check out the rest of what he has 
to say about water chemistry and fertilizers and amounts.
http://www.csd.net/~cgadd/aqua/art_plant_nitrate.htm
Second the comment about carbon=useless on small ions lke NP or K.
Do water changes.


Nickeydundee@aol.com wrote:

> Hello ALL,
>        Thank you for responding to  some of my questions about RO water. A 
> new problem has just happened to me and  it is dealing with adding KNO3 to my 
> tank. I am trying to get a better N reading  and have been adding KNO3 powder 
> and guess I over did it somewhat. I was adding  it to the tank for about three 
> or four days now a little bit at a time and  then testing daily to get the 
> nitrate level and it was reading a zero so  add some more right. But, today 
> noticed some ick or maybe some lymph  outbreak on my discus so tested the K levels 
> of the water and the were above  three ppm or higher. From my readings I 
> thought that high levels would be ok and  not have a negative impact on fish but I 
> know now that it  does. My one discus is up at the top hurting because of the 
> high levels of  K so put a lot of carbon into the tank to pull the K out of 
> the water  hopefully it will be ok and the discus will make it. So, I have 
> learned first  hand not to have to high of a K level in a tank with fish in it. 
> But, begs  the question, what else can I use to bring up the nitrate  level???   
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