here are the last pics of this grow. we are at a little over 10 weeks of flower. for those interested in how this grow was conducted i just wrote a description.
there are 72 bulb positions on this light. during veg and up to the end of week 3 of flower i ran them all using 5000k light. that is 1008 watts using 14-watt bulbs. there were two lights in the room so i used 2 six-hour periods in veg. one on and one off all the time. maintained about 1200 umols ppfd for a DLI of approximately 50-52 moles per day. using one light on and one off also kept the temperature and rh more consistent
at the end of the third week of flower i switched to 66 14-watt 2700k bulbs and 6 25-watt tungsten incandescent appliance bulbs. 924 watts led and 150 watts incandescent for a total of 1074 watts.
also, i maintained about 1200 umols ppfd for a single 12-hour period for a DLI of 50-52 per day.
i used jack's 3-2-1 ratio but at different overall strengths. all input, no solution was removed from the system during the entire grow. the first two weeks i used the 3.6-2.4-1.2 grams per gal dose.
the rest of veg up through the end of week 3 of flower, the stretch period, i used 3-2-1 grams per gallon.
the rest of the flowering period i used 2.4-1.6-.08 grams per gallon. the last 10 days ph adjusted water only.
ph was maintained at between 6.0 and 6.5 using 85% phosphoric acid.
lights on temps typically 80-84f and lights off in flower 72-75f.
no co2 was supplemented here but my co2 monitor says that i got over 400 ppm throughout the grow.
i got 6978 grams of untrimmed wet flowers from 2 plants. I like measuring the wet weight anyway so i can monitor the dry down more accurately.
these were grown in a recirculating, closed-loop, soilless system known as the PPK using 6 gals of #2 perlite as the main body of the medium amended with 3 lbs worm castings and one 18 oz solo cup full of diatomaceous earth.
to the nutrient solution, with each 30 gal load mixed, i used 30ml of mr fulvic 1ml per gallon, and a heaping teaspoon of maxicrop kelp powder per 30 gals.
i think i learned more about bulb spacing during this grow. the spacing i used here is not ideal and used an unnecessary amount of electric energy.
i'm about to move and will design more efficient arrays when i build my grow area.
that's all, folks!
there are 72 bulb positions on this light. during veg and up to the end of week 3 of flower i ran them all using 5000k light. that is 1008 watts using 14-watt bulbs. there were two lights in the room so i used 2 six-hour periods in veg. one on and one off all the time. maintained about 1200 umols ppfd for a DLI of approximately 50-52 moles per day. using one light on and one off also kept the temperature and rh more consistent
at the end of the third week of flower i switched to 66 14-watt 2700k bulbs and 6 25-watt tungsten incandescent appliance bulbs. 924 watts led and 150 watts incandescent for a total of 1074 watts.
also, i maintained about 1200 umols ppfd for a single 12-hour period for a DLI of 50-52 per day.
i used jack's 3-2-1 ratio but at different overall strengths. all input, no solution was removed from the system during the entire grow. the first two weeks i used the 3.6-2.4-1.2 grams per gal dose.
the rest of veg up through the end of week 3 of flower, the stretch period, i used 3-2-1 grams per gallon.
the rest of the flowering period i used 2.4-1.6-.08 grams per gallon. the last 10 days ph adjusted water only.
ph was maintained at between 6.0 and 6.5 using 85% phosphoric acid.
lights on temps typically 80-84f and lights off in flower 72-75f.
no co2 was supplemented here but my co2 monitor says that i got over 400 ppm throughout the grow.
i got 6978 grams of untrimmed wet flowers from 2 plants. I like measuring the wet weight anyway so i can monitor the dry down more accurately.
these were grown in a recirculating, closed-loop, soilless system known as the PPK using 6 gals of #2 perlite as the main body of the medium amended with 3 lbs worm castings and one 18 oz solo cup full of diatomaceous earth.
to the nutrient solution, with each 30 gal load mixed, i used 30ml of mr fulvic 1ml per gallon, and a heaping teaspoon of maxicrop kelp powder per 30 gals.
i think i learned more about bulb spacing during this grow. the spacing i used here is not ideal and used an unnecessary amount of electric energy.
i'm about to move and will design more efficient arrays when i build my grow area.
that's all, folks!
