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    Is this a magnesium deficiency? [pics]

    Hey, 2x GHS Trainwreck; 2x GHS Jack Herer 285w of CFLs 5 weeks old BioBizz All-Mix Soil with additional feed of 3ml of biogrow per litre Using tap water (left out for 2-3 days) and distilled vinegar for pH down (6.6) I was absolutely cruising with these plants until recently. I think the...
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    Should I transplant these?

    I haven't introduced them to nutes just yet, and they've been in John Innes Seedling Soil since germination (which is probably low in nutes but says it has enough food for 5-7 weeks) so I'd be more inclined to believe it is nitro deficiency than nute burn. I'm going to be transplanting these...
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    Should I transplant these?

    Hi, Growing these 4 Purple Maroc plants and wondering if they look big enough to you guys for a transplant. Also, what do you think of the yellowy/burnt edges of my lower leaves? These are now 2.5 weeks old and I think the yellow stuff was down to my pH, and I've sorted that now, but the leaves...
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    Weird blackening and yellowing of my seedling - please help!

    Thanks man, that's very reassuring to know. However, if you look closely at the leaf on the right, there are some black marks on them, so do you know what that might be about?
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    Weird blackening and yellowing of my seedling - please help!

    Hey, Please see the picture - I feel like I have done everything right and yet I'm still experiencing this problem with one of my plants. Purple Maroc Under a 125w blue spectrum CFL kept around 3 inches from plant 24 hours of light - constant temps of 74-78 degrees and humidity of around 55%...
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    Purple Maroc seedlings - fine! Super Bud seedlings - yellow and burnt! Why?

    I thought it would be extremely low on nutes as it is seedling soil. You reckon I should flush it with loads of water to get rid of nutes and then maybe they might survive? Or just get rid of them? Also, any ideas how I can get it more humid in there? Cheers man
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    Purple Maroc seedlings - fine! Super Bud seedlings - yellow and burnt! Why?

    Hey guys, See the pic below... 6 plants - 2x Super Bud (the two in the front-middle) 4x Purple Maroc 125w Blue Spectrum CFL, kept around 3 inches from plants. Constant tempts of 74-78 degrees and humidity of around 50-55% RH. Soil: John Innes Seedling soil + perlite. I feel like everything I...
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    Ventilation required for a small grow tent - help?

    Hey guys, I have a grow tent that measures 60cm (w) x 60cm (L) and is 140cm high and I am growing 4 plants (2x Super Bud, 2x Purple Maroc) under a 105w CFL + reflector for now - as they are just one week old seedlings - and will add another 6x 30w CFL bulbs when they're bigger and have been...
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    Outdoor Super Bud seedling problem - help please!

    Good point, but if I were to know why this one went so horribly wrong, I'd know what to put right with the next bunch. Cheers though
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    Outdoor Super Bud seedling problem - help please!

    Hey guys, For my first grow, I have planted 8 GHS Super Bud seeds and plan to grow them mainly outdoors. I live in London. I planted on April 26th and they sprouted 5 days later, and have kept them on the window sill and in the garden during sunlight hours. I'm going to plant another 4 seeds...
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