Hi Guys,
I recently completed my first grow (buds are currently curing in glass jars). I had absolutely no prior knowledge before and learned absolutely everthing thanks to youtube, Rollitup, and a couple of books of Ed Rossenthal.
Anyway, now that its all said and done Id like to share my experience to give back to the community.
I will be posting with as much detail as I can, but I don´t believe I will do it in one sitting. I took lots of pictures all the way through.
Anyway here's the basic info:
Strain grown: Northern Lights (feminized)
Medium: GH Waterfarm w/ Hydroton & Rock wool cubes. (1 plant).
Nutrients: General hydroponics, flora series, expert recirculating chart.
Light: 400Watt Metal Halide during veg, 400Watt HPS during flowering. Supplemental T8 Fluorescent lights (4).
Time: 6 weeks Veg, 8 Weeks flowering (including flush).
The extra weeks of veg were because of cloning experiments (normal+air layering).
Harvest: 232g dry weight, no stems.
Space used: 1m2 for plant growth.
My objective was to follow through as best as I could a standard growing method to have a baseline to compare to other growing methods (SOG, SCROG, etc). Plant was cropped minimally and super cropping techniques were used sparingly, mainly as small scale tests.
Initial Setup:
Germination: Germination was achieved by placing seeds in a glass full of water overnight and then placing it in the rock wool cube, which had been previously soaked in ph corrected water for about an hour. Germination took about 24-48 hours. Comparing it with other germination methods, the paper towel method was more effective and is now my preferred method for germinating seeds. Seeds were transplanted in medium sized cubes, and the gap in the cube was filled with a smaller rock wool cube about two weeks after germination, making a shorter stem and a lower plant canopy.
To germinate I also used a heat mat. This particular seed had no problems but as I later discovered with other seeds, overwatering and overheating is as much of a problem as their opposites. Rockwool cubes can be watered and any excess water should be drained. I tried leaving some water as a "flood" but ended up rotting about 4 good seeds. Heat helped this as well. About 21 degrees celsius seems to be just right.
Nutrients were added once the first set of true leaves appeared and GH Flora Series Expert Recirculating chart was followed exactly. Initially the rock wool cube was placed in a small container and nutrient solution was added, changing the solution twice per week. Nutrients were mixed in a 1L container and nutrient quantities were measured using separate 3ml syringes. A HM EZ TDS meter was used to measure ppm (really good meter), and the General Hydroponics PH solution tester was used to measure water PH. PH was kept between 5.5-6.5.
As soon as cotyledons were green the plant was placed under 24hr lamp light. As soon as true leaves appeared the plant was placed under the 400W metal halide lamp. This helped the plant grow considerably faster, but economically was wasteful, since there was far more light than what the plant could manage.
Setup was placed in a bathroom at the top of my house and the 1m2 shower area was where the plant grew. Room was cleaned and fumigated prior to growing and no pesticides were necessary during germination, vegetative growth or early flowering.
I recently completed my first grow (buds are currently curing in glass jars). I had absolutely no prior knowledge before and learned absolutely everthing thanks to youtube, Rollitup, and a couple of books of Ed Rossenthal.
Anyway, now that its all said and done Id like to share my experience to give back to the community.
I will be posting with as much detail as I can, but I don´t believe I will do it in one sitting. I took lots of pictures all the way through.
Anyway here's the basic info:
Strain grown: Northern Lights (feminized)
Medium: GH Waterfarm w/ Hydroton & Rock wool cubes. (1 plant).
Nutrients: General hydroponics, flora series, expert recirculating chart.
Light: 400Watt Metal Halide during veg, 400Watt HPS during flowering. Supplemental T8 Fluorescent lights (4).
Time: 6 weeks Veg, 8 Weeks flowering (including flush).
The extra weeks of veg were because of cloning experiments (normal+air layering).
Harvest: 232g dry weight, no stems.
Space used: 1m2 for plant growth.
My objective was to follow through as best as I could a standard growing method to have a baseline to compare to other growing methods (SOG, SCROG, etc). Plant was cropped minimally and super cropping techniques were used sparingly, mainly as small scale tests.
Initial Setup:
Germination: Germination was achieved by placing seeds in a glass full of water overnight and then placing it in the rock wool cube, which had been previously soaked in ph corrected water for about an hour. Germination took about 24-48 hours. Comparing it with other germination methods, the paper towel method was more effective and is now my preferred method for germinating seeds. Seeds were transplanted in medium sized cubes, and the gap in the cube was filled with a smaller rock wool cube about two weeks after germination, making a shorter stem and a lower plant canopy.
To germinate I also used a heat mat. This particular seed had no problems but as I later discovered with other seeds, overwatering and overheating is as much of a problem as their opposites. Rockwool cubes can be watered and any excess water should be drained. I tried leaving some water as a "flood" but ended up rotting about 4 good seeds. Heat helped this as well. About 21 degrees celsius seems to be just right.
Nutrients were added once the first set of true leaves appeared and GH Flora Series Expert Recirculating chart was followed exactly. Initially the rock wool cube was placed in a small container and nutrient solution was added, changing the solution twice per week. Nutrients were mixed in a 1L container and nutrient quantities were measured using separate 3ml syringes. A HM EZ TDS meter was used to measure ppm (really good meter), and the General Hydroponics PH solution tester was used to measure water PH. PH was kept between 5.5-6.5.
As soon as cotyledons were green the plant was placed under 24hr lamp light. As soon as true leaves appeared the plant was placed under the 400W metal halide lamp. This helped the plant grow considerably faster, but economically was wasteful, since there was far more light than what the plant could manage.
Setup was placed in a bathroom at the top of my house and the 1m2 shower area was where the plant grew. Room was cleaned and fumigated prior to growing and no pesticides were necessary during germination, vegetative growth or early flowering.
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