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    QUANTUM BOARD QB 288 3000K 80 CRI Vs 3000K 90 CRI Show Down

    Does this calculation seem correct? With the S6 bin at 200 watts, PPF is approx (4.84 x 200) = 968. Area of tent =5 sq ft. Approximate PPFD is around 2000.
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    Day 15 Veg problems help

    Thanks for the replies. I'm using coco. Could over watering still be an issue? I only transplanted them out of starter cups into the current 3L a week ago. (Currently 15 days from first breaking ground).
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    Day 15 Veg problems help

    Day 15 of Veg. Coco. Feeding 1.1 ec formulex (one part starter feed). Both plants showing some slight problems. Larger plant (left) Purple Haze. Smaller plant (right) Peyote Cookies. Both were started at the same time. The Peyote Cookies (right) is lagging behind and looks a bit stunted. Any...
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    Help Identifying deficiency...boron, magnesium?

    I have flushed fully with ph'd water. The main affected bud does look worse. The bud smells strong and musty, kind of like bud rot but no actual signs of mold.
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    Help Identifying deficiency...boron, magnesium?

    I think you maybe right about salt build up. I flushed with plain water a week ago when I first noticed some yellowing. Then I carried on with the nutes next day. Would you suggest I flush again and use low nutes? ...for how long? Will I expect to see recovery of the affected buds... will the...
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    Help Identifying deficiency...boron, magnesium?

    Hi Guys, Day 42 in Coco. Feeding Ionic Coco Bloom with added 2.0 ec of PK 13/14, 1.6 ec total. Last week started noticing yellowing of some top leaves and brown rust type spots on mainly one big bud and now starting to notice it on 2 other buds. Edges of the leaves of the affected bud are...
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    Looking for ideas for building an additional DIY light to 4x Area51 W90 in a 80x80

    I'm wanting to maximize the possible yield out of the space.
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    Looking for ideas for building an additional DIY light to 4x Area51 W90 in a 80x80

    1st is my current configuration of the W90's. (drawing is to scale)
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    Looking for ideas for building an additional DIY light to 4x Area51 W90 in a 80x80

    Hi guys, I'm looking for ideas/suggestions for the design/layout for building a DIY light fixture as an addition to my current light setup. My current setup is 4x Area51 W90 (Vero 29 @2.1A) in an 80cm x 80cm x 180cm tent. I am looking to maximise yield (not necessarily efficiencies) and would...
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    Yellowing sugar leaves

    I've been keeping PH around 5.8-6.0 throughout. Yes. I think this may be it... Do you have any more insight on the correct use/dosage of PK? I've just been following directions on the bottle. (Using for just one full week)
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    Yellowing sugar leaves

    I am currently on day 64 of flower. Growing in coco under Cob Led light. Strain: Sour Diesel. Have had yellowing of sugar leaves for a while. It has happened my last 2 crops. Do you think it is over fertilization/ too much nutes or too little/ nute deficiency, both of which have been...
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    DiY LEDs - How to Power Them

    Will this driver be ok to run a single Vero 29? Is the 54V too high? I would like to use a dimmer with it. I have seen other drivers with 48V, is that more suitable? Mean Well HLG 120-54B http://www.mouser.co.uk/ProductDetail/Mean-Well/HLG-120-54B/?qs=3IPTn0w%2f0t%252b7r42y47uK0w%3d%3d If...
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    Only 2 weeks old stress showing

    Using tap water
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    Only 2 weeks old stress showing

    I have a couple of plants been vegging for 15 days. Different strains showing the same stress. Growing in Coco under blurple led. Feeding only baby feed at 1.2ec. I've never come across this type of stress this early before. Please do you have any ideas?
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    yellowing leaf tips and curling up

    I am currently on day 51 of flower. Growing in Coco under Cob Led light. Leaf tips are turning yellow on the outside and leaves are starting to curl upwards. Any ideas would be really appreciated. My last crop did exactly the same.
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