indogrow420 said:

yo new growth looks fine, might need a touch of cal and mag.. The damage on the older leaves was probably from over- watering it but overall it looks fine.

Also try to moisten the whole medium thoroughly when watering, plants dont like dry spots

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indogrow420 said:

Good! and depending on what nutrients you got, I have used general hydroponics and advanced nutrients, I usually start off at 1/4 strength of the recommended dose and slowly work my way up.. as soon as I see burnt leaf tips I lower the dose.
you can also use epsom salts 'unscented' for Magnesium at 1Gram per gallon as foilar or soil drench.

Links to basic essentials nutrients;

Amazon.ca

Amazon.ca

and like Vic said more light would be better at this stage, I would place them under that vsp1000 of yours

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Vic2459 said:

Four 40 days in they should be a lot bigger id recommend on putting in that new grow light. 20W just isnt enough for them to grow

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RootsRuler said:

OP, As a new grower I would start by using Florinova Grow and Florinova Bloom. Florinova Grow will serve as your vegetative phase nutrient solution. Florinova bloom will be for your flowering phase. They are an all in one solution that will yield you very good results without having to figure out what does what to your plant. Once you're more familiar with how individual amendments affect your plants you can use them to more accurately boost your harvest at the right time they are needed. Some will say there are better.....and there are but Cannabis Cups have been won using only Florinova Grow and Bloom which should tell you something about the importance of technique and growing skill over the newest fertilizer everyone's freaking out over!

I still use it regardless of having used pretty much all the boutique nutes that have come out over the years. I always seem to come back to Florinova. Maybe it's a sign I need to improve my grow chops?!?

I typically amend my nutrient solutions with some Hormex, Pro tekt Silicate and Cal/Mag in veg and add some Bud Candy and Bud Igniter to the solution a week before I'm going to flip the girls to flower. I put them into darkness for 36 hours before I change my light schedule to 12/12. Once I change my light schedule I stop using the Grow fertilizer and Bud Igniter and give them Bloom with the same Hormex/Pro Tekt/Cal/Mag amendments until they've flipped into flower. After 3 weeks in visible flower I stop using Bud Candy and continue with the amendments I've mentioned previously. 2 weeks before harvest I stop feeding them the amendments and 1 week before I feed with water only. I stop watering altogether a few days before harvest to help with curing and to allow the plant to use up whatever nutrient it still has. I use Roots Organic Original as my base soil and inoculate it with MYKOS mycorrhizae to promote fast FBE formation(Fungal/Bacterial/Enzymatic).

Make sure you have good metering equipment to monitor EC/PPM and PH levels. They are VERY important if you want to be able to open up the root ball to maximum nutrient uptake over the entire spectrum. I like BlueLab products but they may be a bit pricey for some. If you do go with BlueLab I suggest you buy their Growers Toolbox. It includes both PPM/EC and PH meter along with all the calibration solutions you'll need to keep them accurate.

One last thing that most new growers tend to forget. ROOTS.

Make sure in the early development of the plant that you pay special attention to root health. Healthy roots will make your grow much easier and your plant much more pest and disease resistant. They will also allow your plant to grow bigger. Essentially the roots are the "mouth" of the plant so the bigger the mouth the bigger the plant! I use a product called Voodoo Juice that seems to really help with early stage root enhancement. This along with the inoculant will setup the ideal conditions for maximum nutrient uptake! I use this from seedling to the week 3 in flower. There is another that is supposed to be similar to VJ but cheaper called Aqua Shield but I've never tried it so I can't vouch for its effectiveness.

Good Luck!

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RootsRuler said:

She(hopefully) looks happy. Now's the time to start training her if you want to increase your yield.

Show me how to do early vegetative pruning and FIM

Early Vegetative Pruning After the tops come off, there's a window of opportunity to get those second-story branches to reach up to the top floor and stay there. After I've got the four main tops at the same level (more or less) and the plant...

www.thcfarmer.com

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