ScrOg is how you achieve something like this…
For growers using bottled nutrients, including hydroponic growers as well as many soil growers, I usually recommend you start using half (or even less) of the suggested amount of nutrients listed on most nutrient schedules. There’s a lot more information about this on my main article about cannabis nutrients. I generally only ever raise my nutrient levels when I notice that this particular plant is a heavy nutrient user (the lower leaves are starting to turn yellow and die – especially in the vegetative or early flowering stage, though it’s normal to start losing leaves the last month before harvest).
When you’ve reached the ultimate max of light that your plants can use, you still have a trick up your sleeve to further increase your yields. You can give your plants the ability to use even more of that light (and increase your bud yields even further) by increasing the CO2 levels in your grow room during the flowering stage.
For the best results, you want all your buds directly exposed to intense light. Being in direct light seems to cause buds to swell up much more than when buds are hidden by leaves.
(Experienced Growers Only) Controversial Defoliation Increases Marijuana Yields:
Adding CO2 is most effective when you are using bright, high-powered lights (such as a 1000W HPS) that give off more light than your plants can naturally use.
The Botanicare Sweet Carbo line offers cannabis supplements to make buds smell like citrus, berry, or “raw” (a generally sweet smell)
Until I discovered online seed banks.
Strong, bright light is what powers the growth of buds in the flowering stage – light is like “food” for your plants!
So if you’ve realized that your humidity is far higher or lower than what’s recommended, you may be able to make a simple, relatively cheap change to dramatically improve the vibrancy of your plants.
Some strains need slightly cooler night temperatures before their buds will turn colors. For example the buds of this Auto Frisian Dew turned bright purple after it started getting below 70°F (21°C) temperatures at night.
5.) Maintain Proper Temperature and Humidity
The truth is, you can successfully grow cannabis with very little effort, make a ton of mistakes, and still harvest buds that will do the job.
In fact, the things you do during and after harvest, including drying/curing, makes up almost 50% of your final bud appearance!
More is better as far as carbon dioxide is concerned because an increased amount boosts growth.
If you want big buds, increase the lighting intensity and the level of CO2 your plants receive. The trouble with indoor growing is that the air tends to have lower CO2 levels than outdoors.
For best results, make sure the buds are directly exposed to light. Most experts agree that you need to use HPS lamps when growing marijuana indoors. Remember, your plants need 16-20 hours of light during the vegetative stage. Switch to 12 hours light and 12 hours of total darkness in the flowering stage.
All you need to know about thi…
4 – Lighting
If the pH of the soil is below 5.8, your plant won’t absorb magnesium. This becomes apparent when your cannabis’ leaves begin to turn yellow. If you are using a non-soil growing medium such as Rockwool, keep its pH at around 5.5. There are various products available online to either increase or reduce soil pH levels.
For reference, you can expect to grow up to two ounces if you use a 200-watt CFL lamp in a standard grow cabinet measuring 3.5 x 1.5 x 6.5 feet. However, experienced growers may receive double the yield. If you use a 250-Watt HPS lamp in a room of the same size, you could get up to five ounces or double that amount if you have prior experience.
When applying nutrients, always begin slowly and give half the dose to see how your plants react.
5 – Carbon Dioxide
Above all, make sure there is never more than an 18 degree Fahrenheit difference between day and night temperatures. For example, if the temperature is 72 degrees during the day, it should not go below 54 degrees at night. Also, use the lower end of the temperature scales above if you live in an area of high humidity.
The complete guide…