Here’s a list of the most important items and what I would recommend. It is possible to set up a cheap indoor marijuana garden grow room. Marijuana plants need light, water and co2. Also, the temperature should not be too low or too high and a little fertilizer is needed.
Light – The most important and also most expensive item to buy, for your indoor marijuan garden, is the light. You should buy a 600-watt High Pressure Sodium (HPS) light. It will cost you around $30,- but it will pay for itself after one harvest. Experienced marijuana grower yield up to 21 oz of marijuana with one HPS 600-watt light. Of course all the other circumstances should also be perfect but still, an inexperienced grower with a cheap set up can yield 4 to 8 oz with one HPS 600 in 3 months. You can use fluorescent lights but the yield will be less.
You can get an LED grow light, which obviously costs more money up front, but saves you a lot of money in the long run with savings from lower electricity bills. Plus there is the frugal bonus of having a cooler room, which saves money on fans and AC. Check out the company below if you want to find out more about LED grow lights:
Water – Just use regular tap water for your marijuana garden. If you can drink it so can your marijuana plants. Professional growers use corrected water with pH between 5.5 and 6.5 and EC between 1.8 and 2.2. There are 3 common methods for testing these values, but it will also work fine with regular tap water. Use some nitrogen (N) during the growth phase and some N-P-K during flowering. You can find this at your local garden center or get them from www.MarijuanaBooster.Com