[54][55] Dimmable CFLs are available. The color temperature of a light source is the temperature of a black body that has the same chromaticity (i.e. In terms of yield and lumen, HIDs are more efficient than fluorescents. Can CFLs interfere with electronic equipment? Seriously 250 watts of cfl in that space is around 1/3 to 1/4 the power you would need. [31] So, presuming the illumination provided by the lamp was ample at the beginning of its life, and the light output of a bulb gradually decreases by 25%, viewers will perceive a much smaller change in light intensity. If I were you I’d get some small 300w led fixtures or go with the HPS. This makes them great starter lights for growers on a budget! [61][62][63], Electronic devices operated by infrared remote control can interpret the infrared light emitted by CFLs as a signal; this may limit the use of CFLs near televisions, radios, remote controls, or mobile phones. 1.5 to 2.0 oz average (3.5 oz for advanced growers) with 200-watt CFL lamps in a grow cabinet measuring 3.5 x 1.5 x 6.5 ft. So you did the research and finished picking your perfect grow tent. However, ... the minimum recommended wattage per square ft of space is 50w. They do, however, emit higher levels of UVB (short wavelength) radiation. CCFLs still have a significant warm up time (though modern electrode materials have mitigated this somewhat) and suffer similar sputtering of the electrodes when switched on cold which shortens their life. They were grown from clones put straight to 12/12. There are two types of CFLs: integrated and non-integrated lamps (CFL-i = integrated ballast and CFL-ni = non-integrated ballast). But there are some exceptions that can yield up to 100 grams a plant but that goes into the SUPER autoflower territory. [72][73] The halogen lamp lights immediately, and is switched off once the CFL has reached full brightness. Question two: Does this mean the actual wattage of the lights, or the watt equivalent? An average-to-good grow yields about 0.5 grams/watt. Yield per CFL. [40] Replacing all inefficient lighting with CFLs would save 409 terawatt-hours (1.47 exajoules) per year, 2.5% of the world's electricity consumption. The little 23 or 27watt CFL bulbs seem to put out very little heat. [32], Fluorescent lamps get dimmer over their lifetime,[33] so what starts out as an adequate luminosity may become inadequate. [76], When the base of the bulb is not made to be flame-retardant, as required in the voluntary standard for CFLs, overheating of the electrical components in the bulb may create a fire hazard.[77]. CFL light output is roughly proportional to phosphor surface area, and high output CFLs are often larger than their incandescent equivalents. Is anyone getting that? That's a bit silly if gram per watt dosent take veg time in to consideration as even adding a extra 10 days on your veg time will double your yield is 4-5 weeks veg a good time for yields I know the longer the better but I've got to consider harvest time as well lol I'm going to start with about 13 plants then build it up to 20 to do month cycles with cloning so it's quicker seeds … White LEDs have advanced to the stage where they are a good substitute for the compact fluorescent lamp. This makes them great starter lights for growers on a budget! Integrated CFLs work well in many standard incandescent light fixtures, reducing the cost of converting to fluorescent. It jumps to 150w for fluorescent lights. "Compact Fluorescent Light Bulbs Key Product Criteria : ENERGY STAR", "Coming to Terms with Energy Efficiency and the Environment", "Why does my compact fluorescent light bulb flicker or appear dim when I first turn it on? The dried weight of the large buds harvested from this plant: 21 grams (3/4 of an ounce). They were first proposed by General Electric, who saw difficulties bending glass tubes into spirals using automated machinery. Use two of the 24 watt bars (or the larger 42 watt, 4 foot bars to cover twice the space) instead of one or use 125 watt to 250 watt fluorescent bulbs. ... because cfl bulbs for growing weed will be slightly different. of Energy, Greening Federal Facilities, 2nd Edition, ', Ivanco, M., Karney, B.W., Waher, K.J. Non-integrated CFLs have the ballast permanently installed in the luminaire, and usually only the fluorescent tube is changed at its end of life. For example, If you’re growing a single plant, a 1000 watt grow light will produce a larger yield than a 300w watt light. Less AC, less electric draw signature... so how much do people usually get from CFLs feel free to share your harvests and pics guys! The principle of operation remains the same as in other fluorescent lighting: electrons that are bound to mercury atoms are excited to states where they will radiate ultraviolet light as they return to a lower energy level; this emitted ultraviolet light is converted into visible light as it strikes the fluorescent coating (as well as into heat when absorbed by other materials such as glass). You can produce a much larger yield with 5 marijuana plants in a 600-watt grow tent (see above) using HPS lights than with CFL lights in the same space. I have a small high output T5 from HTGsupply 110watts and it gives off 10,000 lumens @ 92 lumens per watt so T5's are definitely the way to go! Show me the results and how its grown. They also note the EPA's estimates for the percentage of fluorescent lamps' total mercury released when they are disposed of in the following ways: municipal waste landfill 3.2%, recycling 3%, municipal waste incineration 17.55% and hazardous waste disposal 0.2%.[92]. The luminous efficacy of a typical CFL is 50–70 lumens per watt (lm/W) and that of a typical incandescent lamp is 10–17 lm/W. Incandescents reach full brightness a fraction of a second after being switched on. [14] Although their popularity varied across countries, in China CFLs were the "dominant technology in the residential segment" in 2011. The color temperature is characteristic of black-body radiation; practical white light sources approximate the radiation of a black body at a given temperature, but will not have an identical spectrum. There seems to be more variability within bulb types than between them, but the best option is shielded CFLs. CFL is an abbreviation of the words Compact Fluorescent Lamps ... A standard LED fixture can generate between 90 and 120 lumens per watt. Good quality consumer CFLs use three or four phosphors to achieve a "white" light with a color rendering index (CRI) of about 80, where the maximum 100 represents the appearance of colors under daylight or other sources of black-body radiation such as an incandescent light bulb (depending on the correlated color temperature). Non-integrated CFL housings can be both more expensive and sophisticated. [58] Above 80%, the bulb may operate at 100%. The adapter consists of a regular bulb screw, the ballast itself and a clip for the lamp's connector. A Maine Department of Environmental Protection (DEP) study of 2008 comparing clean-up methods warns that using plastic bags to store broken CFL bulbs is dangerous because vapors well above safe levels continue to leak from the bags. If you want to look at lumens, the 100 watts are 2,600 initial lumens, and the 25 watts are 1,725 1,750 initial lumens. [67] Cold-cathode CFLs will start and perform in a wide range of temperatures due to their different design. I also recommend thinking about how many watts per square meter you need for all your plants. The light produced by some single-envelope CFLs at distances of less than 20 cm (7.9 in) could lead to ultraviolet exposures approaching the current workplace limit set to protect workers from skin and retinal damage. I have used over 20 different led panels and have started growing with leds from go. Announce Recall of Energy Saving Light Bulbs, "Mercury Content Information Available for Lamps on the 2003 New Jersey Contract T-0192", "Canada-Wide Standard for Mercury-Containing Lamps", "Frequently Asked Questions Information on Compact Fluorescent Light Bulbs (CFLs) and Mercury June 2008", "NEMA Lamp Companies Announce Commitment to Cap CFL Mercury Content", "Frequently Asked Questions, Information on Proper Disposal of Compact Fluorescent Light Bulbs (CFLs)", "Frequently Asked Questions: Information on Compact Fluorescent Light Bulbs (CFLs) and Mercury", "Maine Compact Fluorescent Lamp Breakage Study Report", United States Environmental Protection Agency, "Maine Compact Fluorescent Light Breakage Study Report", "How are mercury-containing bulbs (called "lamps" in the regulations) regulated? T5’s are not very effective for flowering. color) as the light source. 4.7 out of 5 stars 95. because if it is for the whole grow then I am really close at 336g under 400w there abouts...one plant will be 2.4 and the next might be 3.5 or something, but on average 3 o a plant.. sorry to revive this fairly old thread but i think 38g from jus over 110w of CFLs is an exceptional yield already! In many countries, governments have banned the disposal of CFLs together with regular garbage. Yield per CFL. Some electric utilities and local governments have subsidized CFLs or provided them free to customers as a means of reducing electric demand (and so delaying additional investments in generation). Therefore you must measure your area to find out how much light you need to grow your plants. thanks guys for the comments guys next grow ill will be using a 400 or 600w mh, my buds with CFLs werent quite as dense and i would have hoped. [84] Coal-fired plants also emit other heavy metals, sulfur, and carbon dioxide. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated. Use mh into first 3 weeks of flowering to … LED is preferable, because they use less power and generate less heat. A grow cabinet size of 1 x 0.5 x 2 meters with 200-watt CFL lamp will make 40 to 60 grams of weed. Many municipalities are purchasing such machines. Compact Fluorescent (CFL) Lamp Lumens per Watt = 60 avg. [16], The rise of LED lighting, however, significantly affected CFL sales and production. 3-way lamps and dimmable models with standard bases are available. That is a beautiful plant though up top looks great. There is ongoing work in improving the "quality" (color rendering index) of the light. Now use cfl for seedlings for a few days then under 150w mh. And you need around 2000 to 5000 lumens per square foot of growing autoflowering plants. [citation needed], The input stage of a CFL is a rectifier, which presents a non-linear load to the power supply and introduces harmonic distortion on the current drawn from the supply. with G23 or G24d plug-in base, and a quad-pin tube designed for an electronic ballast or a conventional ballast with an external starter. 13 W = 825 lumen => 63 lumen/watt Health and environmental concerns about mercury have prompted many jurisdictions to require spent lamps to be properly disposed of or recycled, rather than being included in the general waste stream sent to landfills. In the US, it is estimated that replacing all the incandescents would save 80 TWh yearly. Basically, if a strain flowers really fast and stays short you can’t expect more than 20 or 30 grams from it. In particular, narrow bands of shorter-wavelength radiation are usually present even for lamps of low color temperature ("warm" light).[23]. Yield under High-Intensity Discharge or HID Lights. Yield Data for 1000 watt ducted single-ended HPS; 12 ducted 1000 watt single-ended HPS lights: 12 lights: Average yield per fixture: 1.02 lb. For energy efficiency of other light sources, see, A cold-cathode CFL unlit (left) and illuminated (right), Amber Angelle, "Will LED Light Bulbs Best Your CFLs and Incandescents?". 1/3 gram per watt is a perfectly good result for cfl's, that's what i get for good grows. Use mh into first 3 weeks of flowering to help minimise stretch, then hps. Hang LED bars or fluorescent bulbs between the plants as before, but bump up the power. How do you tell cannabis yield? [90] Home-supply chain stores make free CFL recycling widely available.[91]. [19] Current recommendations for fully enclosed, unventilated light fixtures (such as those recessed into insulated ceilings), are either to use "reflector CFLs" (R-CFL),[20][21] cold-cathode CFLs or to replace such fixtures with those designed for CFLs. There are a number of ways to calculate what you can expect to yield. per watt. The incoming AC current is first rectified to DC, then converted to high frequency AC by the transistors, connected as a resonant series DC to AC inverter. Average indoor yield with CFL & HPS Grow room with 1 x 600 watt HPS and Adjust a Wing reflector . Beyond that, the light output per watt of power consumed is excellent for 25 Watt (or thereabout) CFL bulbs. LEDs emit very little heat to produce the same amount of good light as HPS lights. You must log in or register to reply here. I have heard that t5 light is better for veg than MH but am not 100% sure. You need to be looking at a 250 watt or 400 watt hid. ", "GE Lighting Frequently Asked Questions — Compact Fluorescent (CFL): 4. "Low-energy light-bulb" redirects here. I'm happy with that. A grow light is an artificial light to help plants grow. [59][60] The use of CFLs in homes has no appreciable effect on power quality, but significant quantities of them in a large facility can have an impact. As a cfl grower I think your along way from where you want to be. At closer distances, comparisons show that CFLs emit less UVA (long wavelength) radiation than incandescent light bulbs. 1g/w Would be over 2lbs from a 1kW light when most growers are happy with 1lb. An easy way is to use a yield calculator, which you can find on Yield O Rama, for example. [6] George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941. Most CFLs contain 3–5 mg per bulb, with the bulbs labeled "eco-friendly" containing as little as 1 mg.[80][81] Because mercury is poisonous, even these small amounts are a concern for landfills and waste incinerators where the mercury from lamps may be released and contribute to air and water pollution. [87] Despite following EPA best-practice clean-up guidelines on broken CFLs, researchers were unable to remove mercury from carpet, and agitation of the carpet — such as by young children playing — created localized concentrations as high as 0.025 mg/m3 in air close to the carpet, even weeks after the initial breakage. The dimming range of CFLs is usually between 20% and 90%,[57][unreliable source] but many modern CFLs have a dimmable range of 2% to 100%, more akin to that of incandescent lights. Savings are greater and payback periods shorter in regions with higher electric rates and, to a lesser extent, also in regions with higher than U.S. average cooling requirements. There are various aid agency initiatives in developing countries to replace kerosene lamps, which have associated health and safety hazards, with CFLs powered by batteries, solar panels or wind generators.[94]. The lesser the amount of power required, the more efficient a light bulb is. It’s important to note that I quite liberally trimmed away smaller buds and “sugar leaves”, drying them separately in … No cellular damage was observed following exposure to incandescent light of equivalent intensity. Compared to general-service incandescent lamps giving the same amount of visible light, CFLs use one-fifth to one-third the electric power, and last eight to fifteen times longer. Average Yield: 1-5 oz Per Harvest. Light Systems elegantly puts it, CFLs are available with cold-weather ballasts, which may be rated to as low as −28.8 °C (−20 °F). [5], The parent to the modern fluorescent lamp was invented in the late 1890s by Peter Cooper Hewitt. To answer the original question, I think if you can pull 0.5 g/w with CFLs you're doing pretty well. The ballast of fluorescent lamps can make a buzzing sound. The UN Environment Programme (UNEP)/Global Environment Facility (GEF) en.lighten initiative has developed "The Global Efficient Partnership Program" which focuses on country-led policies and approaches to enable the implementation of energy-efficient lighting, including CFLs, quickly and cost-effectively in developing and emerging countries. This is counter to most other light sources (such as incandescents) where color gets redder as the light source gets dimmer. What's correct? Grams per watt - cannabis yield per light for harvested weight? A notional temperature, the correlated color temperature, the temperature of a black body which emits light of a hue which to human color perception most closely matches the light from the lamp, is assigned. According to the Northwest Compact Fluorescent Lamp Recycling Project, because household users in the U.S. Northwest have the option of disposing of these products in the same way they dispose of other solid waste, in Oregon "a large majority of household CFLs are going to municipal solid waste".