Issue with seedlings

The seedlings are on day 9 the leaves have some kind of burn like spotting issue and it seems to be progressing since about day 5.
Please help
The seedlings are in coco and gave its first feeding at 300ppm at 5.9ph, 3 days ago. The issue was there even before the feeding. What should i do


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I am new to coco but I don’t start feeding until the coty’s are consumed.
I am thinking light burn or nute burn. What is your light set at?

Once I got the coco figured out, my latest grow has been on autopilot.



After the transplant, I gave her hir first feed, 1/4 strength at about 250-300 ppms.

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From the looks of it things are coming along fine. Coco is pretty easy to grow in. what nute line you using? pretty much just feed it once per day to runoff . youll want to check and log the ec coming out and adjust frequency as necessary. best part about coco is watching the daily growth . it will blow your mind!

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@jrok96 look at the photos on the top. There is white patches

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I’d say probably heat or light stress.. Don’t think it’s nute burn as I plant my sprouted seeds into coco charged with 250 ppm of cal mag and 250 ppm of Jacks. They grow nice and green from the beginning., without burning.

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Hey grow fam im at the beginning on my next grow. Would really appreciate your feedback on the issue I’m currently facing. Last grow you guys were their for me to pull thru a great harvest. This time im starting off with a few issues ive never faced on my previous grows.
@Storm , @Caligurl , @OGIncognito , @Lostgirl, @SausageMahoney

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It does look light light burn to me.

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I run jacks 321 full strength from soak to harvest. Its usually around 900 to 1000 ppm. Id go with lights. Is that fresh coco or recycled?

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Its fresh coco 70%, compost 20%, burnt rice husks 10%.
My light was at 270ppfd now ive brought it down to 150ppfd after noticing the burns. Any advice guys?

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150 is good. Let her grow out to 2 or 3 nodes then increase in small increments

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I’m going to concur on the photobleaching. You’ve taken the proper steps. Newest growth looks unaffected.

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Coconut coir should be fertilized from day one. As soon as i sow seeds I water them with half strength liquid fertilizer. That way the seedling has food as soon as it germinates.

The light leaf edge is too much light or heat, probably light.