Bloody deficiency

[loftgrowsoldier]

Right..im back with tail firmley between my legs! Plants are pissing me off now!
So i posted a few weeks ago a pic of my plants with a clear defiency of some kind...had it down to a few things overall nute levels needed to be upped and the last few weeks have been fine...then this week i notice more brown rusty spots but on the higher leaves! plants are about 3 30days from finish....Looks like phosphorus or potassium???....ive been feeding 1ml.calmag per litre every feed and have been told this may be slowing down phosphorus uptake? Any experienced heads got a clue?
NUTES- BIOBIZZ
1ml grow. 2.5ml bloom, 1ml topmax, 1ml heaven, 2ml

algamic. 1ml shogun calmag. ALL PER LITRE.
Tropic batmix soil grow under telos 0008 light.

 

[Waira]

early on still, i can't say for sure what it is,.. Ca is possible, and at that dosage I have doubts about it being too much... what's your water source like for hardness?
I'm actually leaning toward a micronute defc., B or Mn maybe? With Biobizz, micronute defc.'s seem to be common, the line is weak in content it appears,... kelp extract may have a decent amount of micro's, borax (maybe 1/4tsp/L), but Mn is harder to source,.. In EU, dedicated micronute supp's are tough to find, i've not been able to point anything out for folks so far,...

 

[loftgrowsoldier]

Thanks for reply @Waira it got alot worse over the last few days, all the sugar leaves around bud were being babdly affected. I have kept it all as simple as possible hence the reason for biobizz nutes, even used there supplement line of algamic and heaven as these contain micro nutes aswell..I upped the level of bloom for the last 2 feeds and have seen no improvement only got worse...buds had slowed down on growth aswell. I came to a conclusion right or wrong that the plants werent taking up food properly...some kind of nute lockout..maybe too much calmag over the weeks...Base water PH has varied slighlty to 7 or upto 7.15....but using soil and almost organic nutes i thought this would buffer the ph down? Anyways they got flushed yesterday, i had no choice, they have atleast 3 weeks plus left of flower so way to early to chop, I took the risk and may regret it...but needed to take action! Im dreading the next few days....I will give them a light Mix of grow, bloom, algamic, heaven and topmax once the pots have dried out a bit.

 

[Waira]

yeah, it's advanced a lot,...... you know, I see a lot of issues with micronutes in their line...... you've done what you can mate, save trying out the borax or boric acid eye wash as a source of B, but this is looking more like Mn unfortunately.... let's see what a few days brings...