Day 19 flower deficiencies! Please help

[GMO]

Does the run off smell a bit like rotten arse?

[Marcus]

Have you been giving them a PK booster then?

EDIT - sorry just read this... "I’m feeding (40 litre mix) 10ml buddhas tree solar green silicon, 10ml calmag, 20ml pk 13/14 & 80ml canna a + b. Ec 1.6 ph 5.8."


A+B should have all the calmag in it the plants need. I'd try dropping that calmag and the pk for a few daily feeds at 1.2EC with just A+B after flushing the pots through. You should be around 2ml A+B per litre of water with that EC.



The silicion shouldn't be affecting anything at those levels and pk booster can wait till you've got them sorted.

Good luck.

[Gward20]

A couple things - Are you using coco or soil?

Either way, I'd raise my Ph input. If coco, for now, go with 6.3 and then taper down to 6.1 after a week or so. If you are in soil, raise it to 6.3 and then gradually bump it up to 6.7 Ph.

It also looks like it may be staying too wet in the lower root zone, which can cause Ph fluctuations. How often do you water, do you water to run-off each time?

How about your humidity and average temp? Do you have a fan blowing a heavy, direct wind onto that location?

Hi mate, I’m using coco. I usually feed around 5.8. When I gave my plants 10-20litres feed a few days ago to flush them out, the run off Ec was the same as I was feeding but the ph stayed around 6.2-6.3.
I agree with you that at the bottom of my root zone is staying too wet because the tops looks bone dry but the pots are still heavy. I water every 2-3 day and split a 40litre reservoir between the 8 plants through a drip system and yes I get lots of run off.
My humidity is normally always between 50-60% and my fan is blowing just above the canopy.

Thanks for helping

coco is something that you can and should feed / water with nutrients very often. What sort of aeration is in the coco, is it mixed with some sort of perlite, if so, at what ratio? I've commonly bought a bagged coco that is sold as 30% perlite, 70% coco and I've liked that.

Your run-off readings in the coco are pretty normal, what I would expect in a healthy and balanced situation.

Humidity is in range as well as your fan location. So that to me narrows in on the roots potentially staying too wet in the lower portion due to compaction or lack of aeration.

I don't think that the dry back of the top layer would cause an overload of nutrients when you fed next, but if it did, the run-off EC would be higher than the input.... so disregard that. Plant seems to be balanced nutritionally.

I mixed the coco 70/30 with perlite and didn’t compact it down too much. I don’t understand why the bottom half of my pots aren’t drying out as much as the top half.

[Gward20]

Does the run off smell a bit like rotten arse?

Yeah it does stink a bit mate

[Gward20]

Have you been giving them a PK booster then?

EDIT - sorry just read this... "I’m feeding (40 litre mix) 10ml buddhas tree solar green silicon, 10ml calmag, 20ml pk 13/14 & 80ml canna a + b. Ec 1.6 ph 5.8."


A+B should have all the calmag in it the plants need. I'd try dropping that calmag and the pk for a few daily feeds at 1.2EC with just A+B after flushing the pots through. You should be around 2ml A+B per litre of water with that EC.



The silicion shouldn't be affecting anything at those levels and pk booster can wait till you've got them sorted.

Good luck.

I normally use pk 13/14 at quarter strength for the first 14 days, the half strength for the next 14 days then full strength for the next 3 weeks

[GMO]

whats everyone else think of the possibility of it being root rot? Ive only seen stuff look like this and progress this fast when ive had slimey roots in coco

[Marcus]

whats everyone else think of the possibility of it being root rot? Ive only seen stuff look like this and progress this fast when ive had slimey roots in coco

The coco in the last but one pic looks dry as fuck.

To my eyes they're not feeding and are starting to eat themselves up.

Airpots too, so they won;t be holding excess water, but again...

[2-Scoops]

Yes i thought underfeeding too, but i also think theirs maybe more than one thing going off. 1.6ec i don`t think is overdoing it too much if your feeding budding up plants every 3 days, quite possibly it`s underferting especially if you`ve been adding other things to your mix like pk13/14 and calmag which will both raise ec.

Basically plants aren`t getting enough A&B base ferts cus of other shit your adding which raises ec too and what with feeding budding up and hungry plants every 3 days that ec isn`t enough, in fact i`d say plants aren`t even getting 0.8 ec daily of base A&B ferts prolly alot less, maybe not hmmmm ? But yes that`s just with a quick bit of number crunching in my mind but it`s saying underferting, but also to my eyes they have that hungry starving look except for 1 leaf which might or might not be caused by using pk boost which loves crisping leaves up.

Also it just depends how much you`ve been feeding earlier on in grow and if fert salts have built up enough to cause lockout. But if run off isn`t high i`m with Marcus on underfeeding menu cus they look underfed to me too.

Myself i`d be dropping pk boost for now cus thats a leaf fryer well i`d be dropping everything except A&B and if run off ec isn`t high then i`d be feeding plants every 2 days @ same1.6 ec cus 20 liter pots are fair size and will easily take feeding every few days but If feeding daily then i`d drop ferts just feed A&B at 1.2 ec but im all for every few days it just gives roots chance to air off a bit and those pots can easily do that but either should do trick.

I hope you sling away run off from feeding that comes outa bottoms of your pots. If your not well that could be a reason why pots are still heavy and maybe or maybe not get that soggy roots thing going down. Just another thought though...

If your unsure whether its over or underferting best sure fire way is to do as Beefy said and flush pots right back with plenty of water and then start back up up with A&B only till they look better, whether your you feed daily or every few days, but feeding every few days i use a slight higher ec than i would if feeding daily.

[Gward20]

Yes i thought underfeeding too, but i also think theirs maybe more than one thing going off. 1.6ec i don`t think is overdoing it too much if your feeding budding up plants every 3 days, quite possibly it`s underferting especially if you`ve been adding other things to your mix like pk13/14 and calmag which will both raise ec.

Basically plants aren`t getting enough A&B base ferts cus of other shit your adding which raises ec too and what with feeding budding up and hungry plants every 3 days that ec isn`t enough, in fact i`d say plants aren`t even getting 0.8 ec daily of base A&B ferts prolly alot less, maybe not hmmmm ? But yes that`s just with a quick bit of number crunching in my mind but it`s saying underferting, but also to my eyes they have that hungry starving look except for 1 leaf which might or might not be caused by using pk boost which loves crisping leaves up.

Also it just depends how much you`ve been feeding earlier on in grow and if fert salts have built up enough to cause lockout. But if run off isn`t high i`m with Marcus on underfeeding menu cus they look underfed to me too.

Myself i`d be dropping pk boost for now cus thats a leaf fryer well i`d be dropping everything except A&B and if run off ec isn`t high then i`d be feeding plants every 2 days @ same1.6 ec cus 20 liter pots are fair size and will easily take feeding every few days but If feeding daily then i`d drop ferts just feed A&B at 1.2 ec but im all for every few days it just gives roots chance to air off a bit and those pots can easily do that but either should do trick.

I hope you sling away run off from feeding that comes outa bottoms of your pots. If your not well that could be a reason why pots are still heavy and maybe or maybe not get that soggy roots thing going down. Just another thought though...

If your unsure whether its over or underferting best sure fire way is to do as Beefy said and flush pots right back with plenty of water and then start back up up with A&B only till they look better, whether your you feed daily or every few days, but feeding every few days i use a slight higher ec than i would if feeding daily.

Hi mate. I gave each plant 40 litres of ph’d water last night and I’m gonna start feeding them 1-1.2 Ec of just a\&b either today or tomorrow. When I have been feeding through veg and flower I have been getting lots of run off and my run off system is taking that away. The only thing is that their is always run off left in the bottom of the trays underneath the pots but it’s about 2-3 inches away from the roots. Do you think that could be doing anything ‘? I’ve used these run of systems for about 4 grows now and it’s never been a problem. I just don’t understand why only the top half of the pot is drying out unless I leave them for 3-4 days. I will giv4 each plant 5 litres each of A&B for the next few feeds and hopefully they improve. Thanks for your help

[2-Scoops]

Yes i thought underfeeding too, but i also think theirs maybe more than one thing going off. 1.6ec i don`t think is overdoing it too much if your feeding budding up plants every 3 days, quite possibly it`s underferting especially if you`ve been adding other things to your mix like pk13/14 and calmag which will both raise ec.

Basically plants aren`t getting enough A&B base ferts cus of other shit your adding which raises ec too and what with feeding budding up and hungry plants every 3 days that ec isn`t enough, in fact i`d say plants aren`t even getting 0.8 ec daily of base A&B ferts prolly alot less, maybe not hmmmm ? But yes that`s just with a quick bit of number crunching in my mind but it`s saying underferting, but also to my eyes they have that hungry starving look except for 1 leaf which might or might not be caused by using pk boost which loves crisping leaves up.

Also it just depends how much you`ve been feeding earlier on in grow and if fert salts have built up enough to cause lockout. But if run off isn`t high i`m with Marcus on underfeeding menu cus they look underfed to me too.

Myself i`d be dropping pk boost for now cus thats a leaf fryer well i`d be dropping everything except A&B and if run off ec isn`t high then i`d be feeding plants every 2 days @ same1.6 ec cus 20 liter pots are fair size and will easily take feeding every few days but If feeding daily then i`d drop ferts just feed A&B at 1.2 ec but im all for every few days it just gives roots chance to air off a bit and those pots can easily do that but either should do trick.

I hope you sling away run off from feeding that comes outa bottoms of your pots. If your not well that could be a reason why pots are still heavy and maybe or maybe not get that soggy roots thing going down. Just another thought though...

If your unsure whether its over or underferting best sure fire way is to do as Beefy said and flush pots right back with plenty of water and then start back up up with A&B only till they look better, whether your you feed daily or every few days, but feeding every few days i use a slight higher ec than i would if feeding daily.

Hi mate. I gave each plant 40 litres of ph’d water last night and I’m gonna start feeding them 1-1.2 Ec of just a\&b either today or tomorrow. When I have been feeding through veg and flower I have been getting lots of run off and my run off system is taking that away. The only thing is that their is always run off left in the bottom of the trays underneath the pots but it’s about 2-3 inches away from the roots. Do you think that could be doing anything ‘? I’ve used these run of systems for about 4 grows now and it’s never been a problem. I just don’t understand why only the top half of the pot is drying out unless I leave them for 3-4 days. I will giv4 each plant 5 litres each of A&B for the next few feeds and hopefully they improve. Thanks for your help

No don`t sweat heavy pots too much if growing in a coco/perlite mix if your doing that and have flushed them through then sound, iff feeding every day then 1.2ec will be sound, but around 1.4 -1.6ec every few days. But yes you should be cool now. They`re big pots so wont be drying out fast, but soggy roots int problem with a big plant in coco whether you feed daily or every other day.

It maybe a good idea to look at raising pots an inch or so off tray bottom by sitting pots on some wooden or summink like, i use roofing slate lat pine timber amongst other things.

But yes i think you`ll be sound now you`ve done that mate.