If I'm reading the instructions for that food, you should be closer to 3ml/L? You might just need to up the intake a bit if they are starting to starve? I'm just looking at the web for the fert info, so double check your label. 3-2-4 is not a bad balance really, adding 50/50% 3-0-0 would put you at an ideal 3-1-2 ratio. You don't have to act on that right away, just keep it in mind if you have any problems in the future that might be a lack of N issue like yellowing from bottom up. Your plant doesn't look too terrible, so just a light hand on the adjustments.
You can bring it down like that, but i would really just go slow. Never anything too fast with these girls is ideal. Too much too fast could be a bad thing. I believe (someone correct me if i am wrong) but you soil PH should b in the 6.3-6.8 range (i grow hydro so not 100% on that) so you are not really that far off at 7.
Check out htis chart. There are a few different ones floating around, but its a great guide to be able to see what gets locked out and where. if everything is as you say, it could just be a true deficiency and not due to a lock out (cause CA and MG both get locked out in soil at lower PH) so maybe you just need to bump up your feeding just a tad. Nothing too extreme.
thanks frettfreak. So as I said earlier I'm using Botanicare pure blend grow pro. it has 1% of cal-mag in it with all these other nutes. is it ok if I feed that to the soil and foliar feed?
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