[APD] Re: K+ Deficiency Symptoms - Scott?

["Tom Wood" <tomwood2 at flash_net>]

> > The reason I ask, is that I'm pretty sure I'm way overdosed on 
> > K+
> > and I'm going to stop dosing for a while.
>
> How are you "sure"?
> I'd like to know what levels of K+ consitutes an overdose or 
> negative
> effects on plants that is not caused by something else.
> Do tell.
> Erik and myself have done K+ levels with supposedly sensitive 
> plants at
> 50-60ppm for myself, he went to 100ppm K+.

I'm pretty sure, because -I- put it in there, probably up to 50 
ppm. Anyway, I stopped a few days ago and did a water change and 
now things are perking up. Not sure if it's related.

Backing off the lights from 3 to 2 WPG has been a very nice 
change. Things are slow and steady, but I needed to recalibrate 
all the dosing to match, K+ was the last.

TW

PS: Scott asked about the testing technique for those SilenX fans 
a while back. I noticed this blurb on the package:

"All measurements are taken in an anechoic chamber from a 
distance of 1 m along each of the 3 axis. Actual noise output may 
vary depending on the ambient temperature and amount of 
obstructions in the airflow path." 


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