jrock2000
Member
Roleadro / galaxy hydro led panel comparison
presentation
i have grown for a few years now, ive tried the mh/hps combo, also cfl in micro grows, ive wanted to try leds for a long time but they were just too expensive.
not that long ago galaxyhydro, also called roleadro released led panels that looked ok and had decent reviews and since they were cheap i decided to give them a try.
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gear
i have a bought a 300w led panel thats supposed to be full spectrum :
its real power consumption is around 140 watts
the other one is a 400w cob also full spectrum :
i have 2 stealthy cupboards to grow the plants in :
cupboard 1 ( 300w led panel, soil ) :
- 70x40x70 cm ( sorry )
- 3 roadrunners 1 from dinafem and 3 roadrunners 2 from dinafem ( 6 in total)
- 6 litres plastic container
- biobizz all mix
- biobizz nutrients, grow and bloom but i am not using topmax.
- small carbon filter and extractor
- temperature : 22-27 celsius
- 20/24 light schedule ( recommended by breeder)
- watering every 3 days
cupboard 2 ( 400w cob, dwc hydro ) :
- 70x40x200 cm
- 1 dinachem from dinafem
- dwc bucket with 220 L/H air pump, dual output
- plagron hydro nutrient line i used GH flora series for the first 2 weeks.
- small carbon filter and extractor
- temperature : 22-28 celsius
- 12/12 lighting schedule since 28th of april ( 10 days of grow in total)
- ec : 1.4
- ph 6.1
- solution changer every 7 days
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before starting the grow journal i want to talk quickly about those leds.
the 400w cob performs well, growing stage was vigourus, maybe a little less compared to a 400w mh but it might be genetics of the plant, also the internodes stayed quite tight.
the lamp is quite noisy to my taste, way less than a normal sized extractor but i would say it is loud as a noisy computer ( fan noise)
luckily you can very easily open the panel and wire the fans in series instead of parallel, this way they run at 6v and are very silent.
it doesnt get too hot, and the build quality is really good for this price, really... if someone wants some pictures of the inside i might put them sometime.
the 300w panel was also quite satisfatory, in growing stage, there was no excessive strech at all, the grow speed is similar to a high power cfl or small mh.
as for flowering i did an earlier session this year and i kept a few photos that i will post further down.
this panel vas quite noisy new, louder than the 400w cob, you could again wire the fans ins series , this way they get very quiet, as for me i wired a pc fan speed controller, i always set it quite low and the panel stays warm but not hot.
as for the 400w cob this panel is quite well built and really good for the price.
the biggest upside of those lamps are of course heat, they produce a little, the 300w is like a 125w cfl in terms of heat and the 400w cob like a 200w cfl, so perfectly manageable.
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here are a few pictures of lowryder 2 grown under the 300w led panel ( they were 2 weeks beofre harvest so not completely fat )
here is one of the plants after drying for 10 days :
keep in mind that those are lowryders 2 dwarf plants, and grow organic so of course yield could be better, but i would roughly say that this panel is equivalent to a 250w hps.
the weed itself is very good, same quality as hps.
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Grow journal
cupboard 1 :
seeds were germinated the 8th of april, and were placed in soil the 11th.
first 3 weeks of growing went well, i started feeding nutes when i saw the 1st pistils which was on the 28th.
everything is going smoothly except for one of the plants which suffered a little nitrogen deficiency.
they are now at 2-3 weeks of flowering.
the rest on next post :
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