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PostPosted: May 11th, '16, 05:51 
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Hi :wave1: , this is my first post but not my first time visiting the site. Lots of helpful information here when building my system. Now for my problem, I have 4 ghost pepper plants that I planted last week I believe on monday. Now about a week later I started noticing a dark color starting to show on the leaves. Can anyone help identify the problem (nutrient deficiency perhaps). Ive have added about 275ml of Maxicrop+Iron when a few days ago since the system is void of nutrients due to it being a new system. Thanks for any help you can give me ill post pictures below.


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PostPosted: May 11th, '16, 08:47 
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Can you post some more info about your system

Size , Is it siphon or constant flood , ph , water temperatures , do you have fish , what you have put in (your maxicrop addition could be lots or minimal depending on system size.

Do you have sufficient air (oxygen in water)

Photos are a great help

Fruiting plants in a brand new system generally struggle until you have built up a nutrient base .

And of course welcome to the forum

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PostPosted: May 11th, '16, 09:11 
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Terra wrote:
Can you post some more info about your system

Size , Is it siphon or constant flood , ph , water temperatures , do you have fish , what you have put in (your maxicrop addition could be lots or minimal depending on system size.

Do you have sufficient air (oxygen in water)

Photos are a great help

Fruiting plants in a brand new system generally struggle until you have built up a nutrient base .

And of course welcome to the forum

It's probably about 400 gallons including a 275 gallon IBC fish tank and 12 grow beds that are 55 gallon barrels cut in half. The system is a constant flood system with the water about 6 inches below the surface. No fish yet as I'm currently cycling the system, but I'm using urea (small dose of about 1 tsp a day) and have about a .25 ppm ammonia reading, a 5 ppm nitrite reading, and about 40-80 ppm of nitrate. Like I said I put in about 275 ml into the system to get some nutrients flowing as it's new. I'm not sure on the aeration but I feel that my sump pump is sufficiently moving water (1300 gal per hour) that it aerates properly.


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PostPosted: May 11th, '16, 11:02 
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Could be nitrogen burn. Could be sun scorch if the plants weren't hardened off good before being placed outside. Could be a bit of both. Might try some shade cloth during the heat of the day and cut back a little on the urea.

If they start yellowing it will from too much water. Peppers don't like a lot of water and may not do well in the constant flood system.


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PostPosted: May 11th, '16, 14:41 
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Upper leaves are lighter and have interveinal chlorosis so this is probably an iron deficiency. I think the red color is probably unrelated to the iron deficiency and is likely a response to high light levels.


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