Plant gone yellow quick, please advise

[millwall115]

My girls have gone yellow quickly I?m sure there?s some people growing the Cinderella jocks that have had the same issue.

Soil, Hydro, coco - soil

Strain - Cinderella jock

Photo or Auto - Auto

Plant age - 8 weeks 5 days

Pot size - 12L Air pots

Has it been repotted and when - No

Soil type - Plant magic supreme

Nutes and additives used and how often for soil - Plant magic OT, I?m feeding 2ml pl grow, I?ve just upped to 3ml pl bloom (previous feed was 2ml pl) and 0.75ml pk.
I feed every time they need a watering which is usually every other day. I feed 2L per feed which usually gives me a dribble out the bottom. I also fed them calmag at 1ml pl which was about 3 weeks ago.

Air temps (min, max)- min 23c, max 25c

Res temps (min, max) - I hand water but I check and usually it?s about 19.5c it never goes below 18c or above 21c. It?s just sat at room temp.

Humidity - 50%

Lighting type and wattage - HPS Dual spectrum 600w

Lighting schedule - 24/0

PH level - I have a PH probe I?m not sure how reliable it is but it says 6.8




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[MonsterEnergy]

did that yellowing start after you introduced cal/mg??
1ml is strong especially into living soil

[millwall115]

did that yellowing start after you introduced cal/mg??
1ml is strong especially into living soil

No mate. Its just happened really this is the same plant 5 days ago. I know it?s slightly yellow but no where near what it?s like now.


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[CityDweller]

This is what happens to me when I try to grow large plants in small pots.

[millwall115]

This is what happens to me when I try to grow large plants in small pots.

How do you get over it lol? Get bigger pots. 😂😂


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[M_C]

If it were me (& I'm well out of touch with soil!) I'd keep to 3ml/L of the nutes & run about 6 L through her - a mini flush you may call it

[CityDweller]

How do you get over it lol? Get bigger pots. 😂😂


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Or veg less. Or get super good at managing feeds and PH. When the plant uses up the soil it gets super fussy about PH and feed strength. Most soil issues are PH related imho.

[millwall115]

Or veg less. Or get super good at managing feeds and PH. When the plant uses up the soil it gets super fussy about PH and feed strength. Most soil issues are PH related imho.

It?s an auto mate.


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[MonsterEnergy]

you added heavy cal/mg into a living soil ''nuked it''
the soil slowly dies over weeks due to the cal/mg dose

that's jmo, i hope i am totally wrong tbh

try what M_C said

[Gaz]

you added heavy cal/mg into a living soil ''nuked it''
the soil slowly dies over weeks due to the cal/mg dose

that's jmo, i hope i am totally wrong tbh

try what M_C said

Lol here we go again lol this seems to be debated here, I wouldnt put cal/mag in a drench ever for soil for the reason you state but I know good/intelligent growers here that would and say it wont damage microbial life at 0.5 to.1ml.per litre


Id flush as M_C said if it were my grow fyi