Some quickly emerging deficiency. Hook up some help?

Auzzie07

Well-Known Member
So two days ago I flipped to 12/12 after 8-9 weeks of vegging my girls. The oldest one began to show some yellowing of the leaves (while veins remain green), so I was told that's Mg deficiency. I gave her a feeding yesterday of 1 tablespoon epsom salts, half a teaspoon BMO grow it green (organic), half a teaspoon of BMO flower power (also organic) to one gallon of water.

When I checked on her today, the condition had begun to get worse. All the pictured leaves are near the bottom of the canopy.

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Has the magnesium not yet revitalized the plant's need for the micro-nutrient? Is it not a Mg deficiency? What's up with this, folks? Thanks.
 

Auzzie07

Well-Known Member
Note the necrotic brown spots, as well as the slight leaf bowing on the one branch. Two days ago there was slight bronzing on a couple spots. Which I read could be Chlorine toxicity, then I've also read that plants eat up chlorine. So RIU community, I'm confused. Utterly confused. What should I do here...?

Forgot some things too:

Temperatures: 78-84 degrees F
Humidity: 40-60%
Bagseed in FFOF
Being fed Blue Mountain Organics nutrient line
Feed Water feed water schedule
4' - 6 bulb HO T5
Last feeding prior to the Epsom salt one was 300PPM (I've been taking it easy on her as to not burn whatsoever). The epsom salts (1 tbsp to 1 gallon) raised the ppms from 170 to 1000+
 

Auzzie07

Well-Known Member
If thats the case, wouldnt the feedings of veg and bloom nutes I fed her yesterday have cleared it up? Rather it looks unaffected by the feeding. Thanks for the reply.
 

cloudyharvest

Active Member
let me kno what ur conclusion is because my plants look a bit like yours....let me kno what u think 8 plants 600 watts!! good luck
 

adfw

Active Member
Look same as mine i just posted a thread earlier. Didnt get much response but i figured N def so my next batch which is 4 weeks behind i fed grow nute 2 week into flower and they are green all over with no issue other than slight claw, maybe overdid the N a bit. Also check ur ph and ppm runoff. And when in doubt flush it out with mild nute solution, like 3 times normal amount. Also thats alot of epsom, I read a little goes along way, like 1 tsp or 5ml per gallon. Too much and you'll lock out other nutes.
 

Auzzie07

Well-Known Member
D'oh! I was definitely supposed to use one teaspoon, not one tablespoon. Now I can't remember if I actually did add a tablespoon or teaspoon of epsom salts. I'm thinking about flushing the soil tomorrow with 2 gallons of ph'd water and seeing if I can start anew.

I'm an idiot.
 

DJ GreenThumb

Active Member
Damn Auzzie.....hope you get that sorted out. I have been battling a couple diff deficencies for weeks, just flipped my girls yesterday hope nothing freaky starts happening, lol
 

Mother's Finest

Well-Known Member
If thats the case, wouldnt the feedings of veg and bloom nutes I fed her yesterday have cleared it up?
Only if you gave her enough, the Ph of the fertilizer solution and/or soil wasn't off, and the roots aren't binding.


Rather it looks unaffected by the feeding
Imo you should give her more fertilizer until she gets enough for there to be some effect. You may also want to have a look at the Ph of the soil and fertilizer mixes.
 

Auzzie07

Well-Known Member
I wish BMO had a micro nute as well, then I would be a lot happier. Next time I will probably go with AN, so I can give their "pH perfect formula" a try.
 

*BUDS

Well-Known Member
Magnesium (Mg) deficiency.
Magnesium deficiency will exhibit a yellowing (which may turn brown) and interveinal chlorosis beginning in the older leaves. The older leaves will be the first to develop interveinal chlorosis. Starting at leaf margin or tip and progressing inward between the veins. Notice how the veins remain somewhat green though
im pretty sure its a classic case.
It cantake up to 2 weeks to recover.
 

Auzzie07

Well-Known Member
Magnesium (Mg) deficiency.
Magnesium deficiency will exhibit a yellowing (which may turn brown) and interveinal chlorosis beginning in the older leaves. The older leaves will be the first to develop interveinal chlorosis. Starting at leaf margin or tip and progressing inward between the veins. Notice how the veins remain somewhat green though
im pretty sure its a classic case.
It cantake up to 2 weeks to recover.
Pending it even will recover seeing as my dumbass fed it a nutrient solution which included 3x the amount of epsom salts that I should have given it (damn tbsp vs. tsp), but hopefully it can still recover.
 

DJ GreenThumb

Active Member
Pending it even will recover seeing as my dumbass fed it a nutrient solution which included 3x the amount of epsom salts that I should have given it (damn tbsp vs. tsp), but hopefully it can still recover.
Sorry that happened to you bro but if it is any consolation........my plants got burned at a young age due to the same type of mistake, tbsp instead of tsp....but with ferts

To add additional micros couldn't you just amend your soil with azomite and epsom salts prior to planting. I will never use AN nutrients......I just think they play way to much hype, not saying they make a bad product......just SOOOOOOOO much hoooopla, lol. I want to try House and Gardens Soil 2 part next round
 

Auzzie07

Well-Known Member
Sorry that happened to you bro but if it is any consolation........my plants got burned at a young age due to the same type of mistake, tbsp instead of tsp....but with ferts

To add additional micros couldn't you just amend your soil with azomite and epsom salts prior to planting. I will never use AN nutrients......I just think they play way to much hype, not saying they make a bad product......just SOOOOOOOO much hoooopla, lol. I want to try House and Gardens Soil 2 part next round
Hopefully the high salinity levels don't fuck with the plant's wicking abilities. Yours are looking good, by the way.

You're right you could add micros via amendments in the soil. Or use a nute regime that has a micro nutrient in the regime; a mistake I won't make again (unless the product has the micro's built into the veg and bloom nutrient). The reason I say AN is due to their pH perfect technology and the overwhelming success growers on here have proven in it. I agree, it's hyped as fuck; not to mention, overpriced. But I've got to try it at least once.

I've heard many good things about H&G though. Can't wait to see the results with you using it. To everyone in this thread, you should sub up on DJ GreenThumb's journal. Gorgeous grow, everyone.
 

DJ GreenThumb

Active Member
So how is your plant that got the epsom salts doing? I made my own soil mix when I transplanted, this was my first time going all organic, I made the mistake of not letting the soil "cook" for a couple weeks first so the amendments were not available to the plants right away because the microherd hadn't had a chance to develop and digest the organics for the plants and I didn't want to use mineral salt type ferts to fix the deficiencies because they kill the beneficial bacteria and fungi. I have been using the Earth Juice lineup, aerated with Bushmasters Micro brew (bunch of bacteria and mycorhise) and everything seems to be looking good now. Hopefully before next feeding my microherd will be good to go so I can go to just watering like I had planned.
 

Auzzie07

Well-Known Member
I'm switching back to updating on the grow journal. Don't want to muck things up with forgetting to update info on my journal thread, and updating it here. So back to my journal, we go!

But, all-in-all, the yellowing is slowing down, calyxes are beginning to elongate and fatten/multiply. Pistils are still staying same length, but more are appearing every week. Smell is still a bit 'green' but not like cannabis, just fresh something-or-other.
 
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