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Hood orientation as it relates to efficiency. - marijuana seeds growing

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Advanced topic of growing marijuana seeds, Hood orientation as it relates to efficiency.. Use quality cannabis seeds genetics for 90% germination rate, stable vigorous cannabis plants and potent yields according to cannabis seeds strain specification. The quality of the marijuana seeds strain genetics determine 90% of your expected yield amount and potency.

: : Hood orientation as it relates to efficiency.

Contributed by: Uncle Ben

Horizontally oriented lamps are more efficient for several reasons and should be seriously considered as the grower shops for a good light solution.

In a horizontal lamp arrangement, the arc tube that produces the output is oriented with its full length exposed to the reflective hood insert and plants. This provides excellent efficiency due to a proper direct and indirect lighting arrangement.

In contrast, a vertically placed lamp/arc tube has the poles (which don't provide any light) oriented such that they are facing the plants and the hood, bad deal.... calls for a parabolic type hood to deliver the light to the plants below. This is very inefficient due to losses incurred by the light first having to travel the distance to the inner surface of the parabolic reflector, and second, by relying on the reflective properties of the reflector's coating to distribute the light downward effectively which wont happen. There WILL be losses. Efficiency takes a big hit with vertically oriented lamps in parabolic reflectors.

Regarding horizontally oriented reflector efficiencies - the reflector should be small (for reasons already stated) and should be well designed with a gull wing insert which uses a quality baked-on white enamel designed to resist discoloration from the adverse affects of heat over time. A much better solution is to choose a corrosion resistant specular aluminium insert. The use of quality specular material is the way to go regarding getting the most from your investment.


Contributed by: Medman

When using bulbs above 600watts and growing plants taller than 1meter commercial professionals make use of broad side lighting. The lamps are positioned hanging straight down between the plants without a reflector.

PLEASE NOTE: When using any lamp in any orientation it is always important to prevent heat damage by ensuring there is ample spacing between the lamp and adjacent plant material.

Master Kush x Northern Light Marijuana Seeds 45 EUR Convert price to $ Price for 10 seeds at recommended seedbank
(additional 10 Free Seeds with every order) Master Kush x Northern Light

Master Kush adds it's unique pungency to the Northern Lights #5 in this F-1 hybrid, producing a short, stocky plant packed with great tasting buds. High calyx-to-leaf ratio means the Super Kush buds are solid, loaded with trichomes and easy to manicure. Excellent hybrid vigor makes this an easy to grow marijuana seeds variety well suited to beginners and seasoned growers alike.
High: Quick pick up, to a lethargic feeling, and a fairly gentle come down. Lasted a bit shorter than some of the other big boys, but that's also good sometimes. Of the myriad "supposed" nor-lights strains, this hearty one is worth grabbing a few seeds.

Type: indica-sativa mix
Yield: 400 gr/m²
Flowering period: 8 weeks
Grow Difficulty: easy-moderate

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Master Kush x Northern Light Cannabis Seeds
Le fruit Defendu Marijuana Seeds 70 EUR Convert price to $ Price for 10 seeds at recommended seedbank
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Potent delightful sativa stabilized and enriched with berry taste, looks and tastes exceptionally well. Strong plants grow like a charm, advised for newbie marijuana seeds growers, if grown inside forced flowering is a must.
High: Balanced, natural high makes this strain perfect for daytime daily smoke.

Type: mostly indica
Yield: 450 gr/m²
Flowering period: 7-8 weeks
Grow Difficulty: easy-moderate

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Citral Marijuana Seeds 35 EUR Convert price to $ Price for 10 seeds at recommended seedbank
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A Pakistani variety crossbreed with a Skunk. A nice mellow herbal taste. Strong, hard budsgrown from hardy Citral marijuana seeds. Not a high yield, but has exceptionally great smell and a very sweet taste.
High: Like an alcoholic fruit punch mixed with Bacardi 151. Bong (cough) Weed (wheeze) Harsh, but great high! As you can see, I really have gotten incoherent!

Type: mostly indica
Yield: 425 gr/m²
Flowering period: 8 weeks
Grow Difficulty: easy

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