Actually that comment re half nutes is not totally accurate. My nute manufacturer recommends an EC range of 1.8 to 2.4 and a recommended maximum of 2.2 in coco using my coco nutes.
I find more than 1.6 starts burn on my sativas, have pushed some autos to 2.0 but that was too high and some hybrids to 1.8, which may have been a fraction high. Those numbers were pretty much the plants max limits in an ideal environment with maximum PPFD, before problems started to creep in, mostly burn.
All the above factors will impact on your ideal EC which will be different in my setup.
I find more than 1.6 starts burn on my sativas, have pushed some autos to 2.0 but that was too high and some hybrids to 1.8, which may have been a fraction high. Those numbers were pretty much the plants max limits in an ideal environment with maximum PPFD, before problems started to creep in, mostly burn.
All the above factors will impact on your ideal EC which will be different in my setup.
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