Problem in late flower!!

Hello am currently growing a rqs royal dwarf auto am in around week 7 of flower , am growing in soil (plant magic) and using bio bizz nutrients bio bloom and bio grow at 2ml per litre of each, every watering Ph around 6.0-6.5 the problem started with a calcium and a magnesium deficiency and a Nute burn. So I added a calmag supplement and cut The nutrients but it’s just got worse and now spread to the sugar leaves turning them yellow with brown spots and dying crispy tips. Does Anyone know what going on ? Thanks in advance

grow medium?

Genki88 said:

grow medium?

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he says its plant magic soil

you burnt them bro

steve870 said:

you burnt them bro

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Ye that’s a what I was thinking but I have only fed 2 ml per litre max seen people go to 4ml and higher and have no problems. You think I should chop early to stop it spreading to more sugar leaves

Dannyh1231 said:

Ye that’s a what I was thinking but I have only fed 2 ml per litre max seen people go to 4ml and higher and have no problems. You think I should chop early to stop it spreading to more sugar leaves

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2ml every watering is very high, youre not in hydro you should feed only a few times during your entire grow when they show signs of yellowing.
This is my plant i fed her 3 times during this grow.
your best bet is to run plain tap water through your pots while removing the runoff and hoping they dry off quickly. Theres no way to stop it otherwise

Yikes!

I'm on multiple other gardening forums and have been growing plants of one kind or another for 50 years. I've never seen such an overuse of fertilizer than I have with cannabis growers. Ditch following some ridiculous feed chart by some cannabis specific nutrient company. Get a balanced fertilizer, feed you plants what they need and call it a day.

Sorry to see your plants in the shape they're in.

Dannyh1231 said:

Hello am currently growing a rqs royal dwarf auto am in around week 7 of flower , am growing in soil (plant magic) and using bio bizz nutrients bio bloom and bio grow at 2ml per litre of each, every watering Ph around 6.0-6.5 the problem started with a calcium and a magnesium deficiency and a Nute burn. So I added a calmag supplement and cut The nutrients but it’s just got worse and now spread to the sugar leaves turning them yellow with brown spots and dying crispy tips. Does Anyone know what going on ? Thanks in advance

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I think you're doing too much. Do less. Sometimes your girls just want a nice big drink of water. Kind of like if you were really thirsty and you had to drink pepsi all the time..you wouldn't be happy. Keep it simple. I would hit them straight water, flush them really well and just leave them alone for a few days. One of the crazy things about growing weed is that most often the best thing you can do for your girls is to walk away for a while. If you don't want to give them straight water and it doesn't feel right to you, then flush them with 1/4 strength feed. After that, adding some enzymes into your feed schedule might end up being really beneficial for you and the girls. Good luck!

soo it turns out I have just burnt the crap of them lol Thanks for your reply’s the worst think is I only fed her at 1/4 to 1/2 of the recommended dosage on the Biobizz schedule and it’s done that to them imagine if I fed her full strength they would be nothing left of her lol think am just Feed water for another week the just give her the chop off

Dannyh1231 said:

soo it turns out I have just burnt the crap of them lol Thanks for your reply’s the worst think is I only fed her at 1/4 to 1/2 of the recommended dosage on the Biobizz schedule and it’s done that to them imagine if I fed her full strength they would be nothing left of her lol think am just Feed water for another week the just give her the chop off

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In case you ever read this; I use plant magic soil and their range.

You need to supplement with magnesium through the grow.

That’s not huge burn but a severe magnesium deficiency.

Use Epsom salts for this.

Dosnt hurt to add t spoon Epsom salts mid way through

that rqs dwarf probably only needs feeding once or twice the whole grow

To cure the need to feed molasses as always thank you for your time and the best of luck

go go kid said:

that rqs dwarf probably only needs feeding once or twice the whole grow

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Plant magic soil is basically inert. Has a week or 2 feed then you need to feed it every watering.