Ask Ed — TM “Ed Rosenthal is the guru of ganja”-- High Times LED lamps use less than half the electrici ty of HIDs per unit of PAR light produced. At $.10 a kilowatt, LEDs By tailoring will save $215 the diodes’ per light specyear when compare trum to plant requirements, d to the cost LEDs can be of running a more efficient 1000w HID PAR produce twelve rs. HPS lamps hours a day. deliver more total light per watt of input, UÊ LEDs last but LEDs are longer than HID twice as efficient bulbs. UÊ LEDs need in PAR light per watt little to no as HPS lamps. cooling That means equipment, a 200w LED lamp in contrast can be substitu to HIDs that require ted for a 400w HPS lamp, air or water and the 300w cooling, LED lamps ventilation systems can be substitu , or air condited for 600w HPS lamps. tioners. The first generati ons of LED lamps did not emit an intenseenough light LEDs are powered to support either active vegetati by either a transformer or a ve growth or flowering, but digital driver. modern fixtures, Transformers are similar to which use higher-c old-style magneti apacity diodes, c ballasts for HID units; have solved those early problem they use more energy than s. digital controll Higher quality ers and produce DRIPmostly systems use SYSTEMS OUTDOORS heat that may need to light along with red be dissipated. Drip some blue. Just irrigation This is a small is a 90% more consideration compar as with any other product efficient ed to the heat , manufamethod delivering water lamps produce HPS cturers’ of standards differ. A to , which has plants outdoors than other few manufacturers to be vented. LEDs are convenient methods. That LED lamps emit to add the green light NASA virtually no heat, is much highly efficient light use because they are lightweight has shownhigher than so they flooding producers, and emit far can to be effective be placed very an area using with plants, and less HPS lamps. They are close to the garden a hose, or overhead amber is also small, so they are easy heat than spraying. The are not encumb and sometimes Stealth LED™ grow to install. The added. Most result is more ered with tubes light manufacturerswater delivere for air or reduces energy consumptionhas a 50,000 hour lifetime and water include a fewd to the root zone white light emitters than any cooling, heavy ventilation, as compared with HPS other waterin systems by 60-70%. in their or MH or any of the other units. These g system. Drip diodes actually problem irrigation s or inconveniences has other benefits emit a combina of HID tion of red, that make it green, and blue useful. It lamps. easy to install, spectrums,is which easy Light of a 1000w HID to design and combine to appear from LEDs can is inexpensive. system. white. White be combined LEDs emit very little with lights help HPS and MH heat to both supply An advantage lamps, to the plants. The light and can be placed very close useful Drip of so using a combin there is no wavelengths systems use spreads at a 120° angle. reason to scrap tion of HPS for the pressure from plants and soften afrom Maxx Power has your digital and LED lights the the eeriepublic a built in digital driver This LED HID lamp. system, gravity Adding LEDs is that you purplewater tors the power going can that color generate moniensure to or your d by the combina to deliver a pump that you are to other lights increasproviding all adjusts accordingly to the bulbs 100 times a second and tion of red water where it is wsantedes the amount of spectrums that the blue light. Luckily, ensure that maximum light delivere . Spaghetti linesand plants need output is being achieved. the spectrum d to the garden. to thrive. If range tap more HID lamps usually wider is off a main delivery lineFor instance, a garden that is connect than the band rather than using a 400w HPS that is guar- ed to the water LEDs are used, they add anteed for each source. Ancan be increased to the equivale emitter on the PAR light, but emitter. 600 nt of increase most of the other end of For even distribution, using 100 watts 120 | MARIJ the spaghetwatts is in the yellow UANA GROW ti line controls use a water soaker hose, of LEDs. Adding E R ’ S H A N D Bwater spectrum. Addthe rate at which 300 watts which “leaks” O O K through its ing of red LEDs porous material. and creates the equivale blue LEDs instead water flows. nt PAR light, increases but not in the As with other yellow spectrum plumbing systems . eastern U.S., there are all kinds and other areas, of accessories there may be to deal with no need to irrigate problems that MARIJUANA plants at all or GROWER’S H may be encount ANDBOOK | to use it as plants just a supplem 121 ered by or gardens. Some ent to natural sources. of these are garIn areas where dens located on different there is a summer levels, remote drought such gardens and as parts of souther differen t size plants n Europe varying and the North with American west, water needs. The plants can irrigation fertilize is required or be the plants will d using a fertilize die. r siphon placed Outdoor plants in the water line. and gardens can be irrigated using Irrigation systems a hose that fills vary tremend a trough in reservoir, using ously their complex a gravity powered ity resulting from canal they that delivers the tasks are designed water to a group to accomplish. of plants or most efficient Store bought kits ly using a drip are suitable system. for most backOverhead waterin yard gardens . Even simpler g is very inefficie is the pinhole because of loss nt pail or bag to evaporation irrigation. A container is filled and the with shotgun approac water. The water h of deliverin slowly g water in desired areas where there drips to the area through are no crop roots. small holes drilled Once pierced the plants are or flowering, overhea into the reservoi r. It delivers water d water slowly is dangerous thrive under to the plant to the buds so that little those specific conditio ceptible to attack Indica which are susis lost. Thus, in any ns. by moldplants developed in season, no matter when moistur is present. central weather e Asia between what the the 25th and , some plants 35th latitude will do better where the weather s, others. than is changeable. Drought one 292 | MARIJ may Indicas, U A N A G R Oyear be followed including Kush WER’ HAND by cloudy, rainy BOOK varieties, have or sunnySweather broad general . For the populat characteristics: ion to early, continue, the they mature have compac plant group t short branche needed different individu s and wide, short leaves als that survive which and even sometim are dark green, MARIJUANA es tinged purple. GROWER’S Their buds are INDICAS, SATIVAS, ETC. HYDROPONICS LIGHT MARIJUANA GROWER’S Handbook LED fixtures are more expensiv e than HID lights, but they save money in the long run: UÊ INDICA MAZAR: 100% Indica. Afghan weeks, early Nov. outdoors. x Skunk. The Afghani (Mazar-i-Shariff) part is a very short Christmastre Photo: Dutch Passion Seeds e-like plant. High: GROWER’S H ANDBOOK MARIJUANA Best from the Seed Breeders HANDBOOK | 293 MANGOLIAN INDICA: Smell/Taste: fresh woodsy,100% Indica, Flowering 55-60 days, High: heavy body mango citrus taste. stone, sleepy, long lasting, 36 | MARIJU ANA The Big Book of INDICAS, SATIVAS, ETC. Your Complete Source for Medical & Personal Marijuana Cultivation ASK ED® Edition HYDROPONICS All New Marijuana Grower’s Handbook: s Over 500 pages of grow info and full color photos s Ed’s methods guarantee better marijuana and bigger yields for experts and beginners alike s Preview book online— Ed Rosenthal’s LIGHT Ed Spent 30 Years Perfecting His Grow Technique: All You Need Is THE BOOK tems because each diode emits light in an unusually narrow spectrum. The minerals used to make it determine the spectrum the diode emits. HID lamps emit most of their light in spectrums that are not very useful to the plant. With LEDs, fixtures can be designe d to provide the plants with exactly the spectrum that they need for maximum growth. very "up." Flowering: GROWER’S H ANDBOOK 8-9 | 37 4 Big Book of Buds is back, and more spectacular than ever! Volume 4 features 86 new varieties. Find exactly what you want to grow and enjoy. (SZV H]HPSHISL! )\KZ HD9FL K=HLGJA9 O@AL=>DA=K 9H@AMK9JAME OADL KHA<=J EAL=K KHA<=J EAL=K FMLJA=FL :MJF 9FLK =fnajgfe]flYd Klj]kk]k =FNAJGFE=FL9D KLJ=KK=K DA?@L :MJF s Best of Ask Ed s Marijuana Garden Saver Available through SENSI SEEDS www.sensiseeds.com EAF=JK 9F< EM;@ EGJ= 9DKG AF;DM<=K AF>GJE9LAGF GF <==J$ >MF?MK ?F9LK$ ?GH@=JK$ EGD=K 9F< J9LK @=9L :MJF ;GJF :GJ=JK 0UJS\KLZ KPHNUVZ[PJ N\PKL [V [OL TVZ[ JVTTVU NHYKLU WYVISLTZ GROW IN AG Tel. 49 (0)30 / 34 43 64 2 www.grow-in-berlin.com All Books Available at AMAZON.COM www.amazon.com/books