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What is wrong with the plants?

Sven0190
Sven0190started grow question 3 days ago
What is wrong? In the tent its 17 °C. The water is fresh, no fungi at the roots or in the water. Light time is 18 hours on and 8 hours off. I use Hesi Hydro Grow. The EC is now 1.18, thats after the water refreshing, before it was at 1.6 EC.
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H2OGrow
H2OGrowanswered grow question a day ago
I‘d say they are overfed… looks like a massive nutrient burn to me. I would flush with just water and let them recover.
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mike97
mike97answered grow question 3 days ago
Maybe a problem with the pH meter
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growops123
growops123answered grow question 3 days ago
but most of all looks like light burn or light stress whats the distance from ur light to top of plant
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growops123
growops123answered grow question 3 days ago
bad genetics heat stress wrong ph nutrient defiencecy or all 3 orr could be ur ppm is to high so it cant absorb i dont know looks weird....is ur meter calibrated right?
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