Quote:
Originally Posted by detlef
Hi Gerryd,
IME the stunting issue with P.S. (and I suspect in other plants as well) occurs when nutrients fluctuate too much, esp. with NO3 and CO2 going up and down in too short a time frame. I suggest keeping all nutrients stable (daily dosing is highly recommended esp. with NO3) and P.S. should grow fine for you.
Best regards,
Detlef
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I think this is great overall advice in general.
These two parameters account for 99% of the variation issues folks have.
Mg, Traces, etc, they are easy to dose, but you still need to do the same things with them. Stable.
This works well at low light with even more variation and lesser variation as you increase light intensities.
As the rates of CO2/NO3 uptake increase, so does the instability and the practical ability to keep and maintain a stable level/concentration of CO2 and NO3 and so on down the line..........
I've had plants 6" in diameter and as tall as the tanks they where in 24-28".
The new shoots form like mad.
Very aggressive plant, like Gloss and other weeds.
Regards,
Tom Barr