Growing Marijuana Indoors

Growing Marijuana Indoors is a good way to make decent amounts of quality pot for yourself.

You can grow all year long. Independent of the weather. And you could harvest every 3 month.

The risk of being caught growing indoors is smaller, compared to outdoor growing. Your setup is less likely to be found.

However, you need some space and equipment.

This article shows some of my experiences.

A very simple ‘growing Marijuana Indoors’ Setup:

MarijuanaThe simplest possible setup is a Lamp with timer.

You simply place one or two plants under that light.

I recommend the use of Compact Fluorescent lights.

The timer switches the light on and off, so you do not have to worry about that.

For the first 2 – 3 weeks, the light will beon for 18 hours and off for 6 hours. Than, to make them start budding, switch to 12 hours on / 12 hours off. During the dark period, there may be no light coming to the plant.

This is the simplest setup I can think of. The pot is filled with soil. Water and fertilizer must be added.

A friend of mine harvested with this setup around 0.7 ounce (20 gram) of dried Pot. It is inexpensive and easy. Use 2 of these lamps to be successfull, not 1 as shown in my drawing.

Using A Grow Box

A more advanced Setup for growing marijuana indoors:

- MH Light
- Timer for the Lamp
- Fan
- Grow Tent or Grow Box
- Air Filter + Silencer (optional)
- If you have the pocket money, you could buy a

Buy a complete Grow Box here

Making a Grow Box

The growing takes place in a box. Ideally no Light reaches the outside. A fan blows air out at the top while fresh air enters the box at the bottom without fan.

Grow BoxThe air coming out of the box will smell like pot. You have to either lead it out of your house or filter it.

When you lead the used air out of your house, people outside could smell it. Especially in the last 3 weeks of a grow.

You can also filter the air with a carbon filter. That will remove the plant smell. The filtered air will have very little or no smell, so it could be left inside the house.

Find grow tents for sale here



The above image shows the fan. It sucks the air out of the box. There is no carbon filter used here. A carbon filter would be attached to the right side of the fan.

Fans and carbon filters can be found here.

Proper fresh air is a very important point when setting up a grow box. Without enough air, mould and parasites will show up and destroy your harvest. Pot grown in too high temperatures will also have a rather numbing effect on the user.

As a rule of thumb, the fan should be strong enough to exchange the whole air in the box within 2 minutes. When using a carbon filter, the fan needs to be stronger because it needs to suck air through the filter.


A good light to use is a 400 Watt MH Grow light. MH lights are good, because their color works alright for both growth- and flowerstadium of cannabis. You do not need to buy different bulbs. MH lights always need a ballast to ignite them. Buy them as a set

And if you want, you can use a speed controller for the fan. It makes you able to adjust its speed according to the temprature inside the box.

The light is switched on and off by a timer. For the first 2 – 3 weeks, the lamps are 18 hours on and 6 hours off. This is the vegetative stadium. The plants grow. Than the light should be changed to 12 hours on and 12 hours off. This will make the plants start flowering and develope buds.

It is not neccessary to build a box on your own. There are grow-tents available. Just build them up, put light an fan in and you are ready to go. They look like this:

Click here to see a selection of grow tents.

If you buy one of these tents, make sure it is made from mylar and not PVC. PVC will release toxic fumes when in use.

Buy a complete Grow Box here

These were 2 easy to use setups for growing marijuana indoors. As described above, the simple “one-lamp-setup” produced ca. 0.7 ounce (20 gram) of dried, ready to smoke pot.

The wooden grow box shown in the pictures has been my own. I used it for 3 years. Each grow in that box delivered around 100 gram (3.5 ounce) of tasty dried cannabis. It is possible to harvest aprx. every 3.5 month. That should be more than one person can use.

Enjoy some pics:



Growing Marijuana indoors can bring great results.


Freshly harvested and cured Pot before drying:


Buy a complete Grow Box here

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