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 SdudEval
Stranger
Registered: 07/14/16
Posts: 15
Last seen: 3 years, 2 months
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 Severe yellowing / burning 
#820961 - 11/10/16 08:18 AM (8 years, 8 days ago) |
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Soil Growers:
1. Are you growing from seed or clones? Clones
2. How old are your plants? 4.5 weeks
3. How tall are your plants? 5'
4. What size containers are they planted in? Large 10gal maybe?
5. What is your soil mix? Promix with perlite and worm casting
6. How often do you water and what type of water do you use and how much you give per watering? MWF MW with nutes, F without
7. What is the pH of your water? Not sure
8. What kind of fertilizer do you use and what is its NPK ratio? Sesni nutes, not sure
9. Do you foliar feed or spray your plants with anything? fungicide occasionally
10. What kind of lights do you use and how many watts combined? Varios, between 600-800
11. How close are your lights to the plants? 14"
12. What size is your grow space in square feet? various
13. What is the temperature and humidity in your grow space? 75 F, 55%
14. What is the pH of the soil? Unknown
15. Have you noticed any insect activity in your grow space? Yes
16. How much experience do you have growing? Over a year
    
Ok, it's BAD. I've searched and have found many different replies. My main reason for posting is to maybe get a more specific opinion and that I haven't seen a post this bad.
Details.
I switched from RX Solutions Grow A/B to SensiBloom A/B and everything went to shit. Also used Flora nectar instead of Bud Candy for the initial switch over watering. Am I completely fucked here? I read numerous things and have an idea of what to do next but I don't mind hearing any extra details before I get to it. Should I immediately start with a heavy watering of straight water? The one pic shows how much worse it got overnight.
I know this topic has been discussed so thank you for taking the time to reply.
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 phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly) 
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 Re: Severe yellowing / burning [Re: SdudEval]
#820968 - 11/10/16 10:06 AM (8 years, 8 days ago) |
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Those look burned to hell. You probably need to flush the pots and adjust your nutrient strength in the future. Also need to check your pH to see if your in the proper range.
It'll be a miracle if those plants make it through the entire flower cycle, you probably will notice they stall out and go very slow in the future.
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Any help given is for educational purposes only. Its your responsibility not to break any applicable laws
 Bamboo Bongs I make | Perfect Dry and Cure | Grapegod under LED
“Human beings, vegetables, or cosmic dust, we all dance to a mysterious tune intoned in the distance by an invisible player.” ~ Albert Einstein
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SdudEval
Stranger
Registered: 07/14/16
Posts: 15
Last seen: 3 years, 2 months
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Re: Severe yellowing / burning [Re: phychotron]
#820976 - 11/10/16 01:46 PM (8 years, 7 days ago) |
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Turns out I went pretty overboard with the nutes. I'm not sure why the bottle says one thing and the actual recommendation is different. Bottle says 4ml per liter and he recommended 10 ml / gallon. That's 50ml / 5 gallons compared to 75ml, for both A and B. So 100ml is what he said to do yet the bottle says 150 ml per 5 gallons.
I was told at the shop that it should be fine. Just do a huge flush then let that dry and use some of the revive liquid I got. They are burnt pretty bad, but only the top 1/4. He seems to think they'll be ok. I'll lose a lot of leaves but that will just expose the rest. It's a damn shame because these were the best looking plants I've ever seen. :-(
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phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly)
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Re: Severe yellowing / burning [Re: SdudEval]
#820979 - 11/10/16 02:57 PM (8 years, 7 days ago) |
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I'm just gonna come out and say it: I hate Advanced Nutrients. Without going into details, sure some people swear by it, I had a bad experience with tank residue and customer service bullshit. The formula seems to be always changing so the print and recommended amount tend to vary.
I've heard good things about the Revive but have yet to try it myself.
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Any help given is for educational purposes only. Its your responsibility not to break any applicable laws
Bamboo Bongs I make | Perfect Dry and Cure | Grapegod under LED
“Human beings, vegetables, or cosmic dust, we all dance to a mysterious tune intoned in the distance by an invisible player.” ~ Albert Einstein
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SdudEval
Stranger
Registered: 07/14/16
Posts: 15
Last seen: 3 years, 2 months
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Re: Severe yellowing / burning [Re: phychotron]
#820981 - 11/10/16 03:55 PM (8 years, 7 days ago) |
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I'll post updates for the search engine.  
In the meantime any other opinions?
Edited by SdudEval (11/10/16 08:13 PM)
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phychotron
Medicated
Registered: 02/17/11
Posts: 1,995
Loc: Earth (mostly)
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Re: Severe yellowing / burning [Re: SdudEval]
#821030 - 11/11/16 10:34 AM (8 years, 7 days ago) |
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Get a EC/ppm and pH meter and start learning how to mix the nutrients properly. You and I have two entirely different water sources that play a tremendous role in water chemistry.
I started with cheap meters a few years ago and when they broke I didn't really need them anymore cause I didn't change my formula much. Now that I've moved and I'm back to a new water source I need to go buy both to reformulate to this new water source. pH plays a big role in availability and lock out. How the pH responds will usually be determined by the water source and how much Ca/Mg it has in it.
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Any help given is for educational purposes only. Its your responsibility not to break any applicable laws
Bamboo Bongs I make | Perfect Dry and Cure | Grapegod under LED
“Human beings, vegetables, or cosmic dust, we all dance to a mysterious tune intoned in the distance by an invisible player.” ~ Albert Einstein
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Chakanooga
Always Lmao
Registered: 12/16/15
Posts: 393
Loc: Wonderland
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Re: Severe yellowing / burning [Re: phychotron]
#821078 - 11/12/16 10:35 AM (8 years, 6 days ago) |
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Poor guys...hope they heal.
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SdudEval
Stranger
Registered: 07/14/16
Posts: 15
Last seen: 3 years, 2 months
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Re: Severe yellowing / burning [Re: Chakanooga]
#821377 - 11/23/16 12:22 AM (7 years, 11 months ago) |
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Looks like one stayed normal and the other has some catching up to do.
Why does the container and website for advanced nutrients tell you to over use the nutes? Like 74ml/5gal is so much more than 50ml/5gal. WTF?
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