We are confident that our LED grow lights will provide you with a spectacular grow, however, if you are not satisfied with your purchase after you receive it, please contact us here. Otherwise it really works well. While the content of your cart is currently displayed in , the checkout will use USD at the most current exchange rate. However, even during vegetative growth, plants will grow the best if they have optimal lighting. SF4000 only consumes 450w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. As soon as you place the order, an order confirmation will be emailed to you. We offer Fast shipping via FedEx, DHL, UPS, or other couriers. LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS: SPIDER FARMER LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.7 umol/J, create better canopy light penetration. Share it with your friends so they can enjoy it too! The only way to understand the manufacturers’ recommendations in this regard is to realize that optimal lighting is less important during vegetative growth. We created this guide to share reliable grow light data and empower home growers with the best information about grow lights. To create these formulas, we analyzed PPF data from over 60 different fixtures. LEDs are efficient, energy-saving and easy to operate. Make sure you purchase authentic Spider Farmer grow lights, really can give you need from high-quality grow lights – at a price that is affordable. And the bouton to adjust light power is just perfect. If you do not receive tracking info within 3 business days of your order, feel free to follow up with us via email. To learn more about how we measure Usable PPF read our Grow Light Testing Protocol. This shows the optimal coverage area in square feet (Usable PPF / 65 = Sq. One gram per watt is meant to be a sort of "upper limit" of what to expect from indoor grow lights as far as yields. I discuss the formulas for each of these and how we developed them. The PPF value that is most relevant to us as indoor gardeners is the “Usable PPF”. Nowadays, cannabis cultivation is booming, and LED Grow Lights have become a must-have for indoor marijuana growers. Photon Efficiency: Usable PPF (µmol) / watts. Works well with no complaints thus far, just finishing up 8 weeks of veg and the canopy is awesome! Stuff about growing cannabis in general, cannabis you've grown, or dank cannabis you've smoked. Choosing efficient grow lights reduces both operating costs and the environmental impact associated with electricity use. Unlike many other LED grow lights, the Spider Farmer sf-4000W LED grow light comes with a fan less design. That is a superior photon efficiency. Such as the growing style(SoG, ScrOG, Flux, Bush), the height limit, the number of plants, the environment and so on.But, you know what? US, UK, AU, EU plug Automatically send by region, Local Fast shipping in CA/DE/UK/AU(No taxes & import fees). That will change next grow, switching to 4 Spider Farmer 1000s. 2000 watt LED grow lights aren’t for everyone since not every grower needs such a high wattage. However, high-efficient LEDs now produce a lot more light per watt than older grow light technologies like High Pressure Sodium (HPS). Why Choose SPIDER FARMER Full Spectrum SF Series LED Grow Lights? As we show in our article, “How to Evaluate and Compare Grow Lights for Cannabis”, HPS and other High Intensity discharge lights like Ceramic Metal Halide (CMH), all convert electricity into Usable PPF at about the same rate. LED grow light efficiency in umol/Joule (400-700nm) is often stated as micromole per Joule -- or seen as umol/j or PPF/W--means for every joule of electrical energy (Joule = watt x second) a number of photon micromoles are produced. X 453.6 grams/lb. However, it is better to adjust the other forms of data and estimate then it is to try and compare different forms of data directly. When you ask a grower something like- ‘How much can a 4×4 grow tent yield?’, you’ll get no definite answer. In the real world of indoor gardening, not all those photons will actually reach the canopy. We want to stress that these adjustments are not as precise as a measurement. The newer lights are far better at creating light , usually that cost more money to build. PPF is a count of the photons that are in the Photosynthetically Active Radiation (PAR) wavelengths. It is measured with sophisticated sensors in a device called an integrating sphere which captures all the photons that a fixture produces. I wouldn’t want to go much below that in a 4x4 foot grow tent. MARSHYDRO VS ELECTRICSKY the gram per watt race - YouTube After the order is processed, allow 2 to 7 business days for the product(s) to reach you. This rule has emerged from experience growing cannabis with High Pressure Sodium (HPS) grow lights. Nothing to complain. We will work with you to resolve any issues and replace you product(s) or refund your purchase within the terms of this policy. 51.6k members in the GrowingMarijuana community. I discuss the difference between "Calculated PPF", "Total PPF" and “Usable PPF”, and how we measure or estimate Usable PPF. When you select “Calculated PPF” or “Total PPF”, we use our formulas to estimate the Usable PPF. We are excited to collaborate with Shane because he has earned a well-deserved reputation for doing fair and accurate grow light testing. If the item title shows preorder for your country, your order is preorder. 5 years of free components can be provided. Nice Grow Headhunterpipes. A single light can be adjusted the light intensity at liberty. At Coco for Cannabis, our mission is to help growers maximize the success of their cannabis crops by providing scientifically accurate information and sharing proven growing practices. If we consider a 600-watt HPS operating at an efficiency of 1.3µmol/watt it would generate 780µmol (Usable PPF). Well, Spider Farmer lights are supplemented with deep red LED diodes and infra-red chips. The quantity of PPF produced by a fixture determines how much area it can cover and its harvest potential. If the item title shows preorder for your country, your order is preorder. There are several factors that affect the size of an indoor cannabis harvest. Cost Efficiency is a calculation of how expensive the fixture is relative to the amount of light it produces. We review the science of cannabis photosynthesis and explain the optimal quantity (PPF) and density (PPFD) of light for indoor cannabis. This makes the Spider Farmer SF lights cover an almost as wide spectrum of PAR as the Gavita Pro 1700E and the HLG 550 V2 R Spec. 3000K diodes providing more reddish light and 5000K providing more blueish. United States: Shipping fee calculate on check out page(0-120USD), Canada: Shipping fee calculate on check out page(0-200USD), Australia: Shipping fee calculate on check out page(0-24USD), UK: Shipping fee calculate on check out page(0-240USD), EU: Shipping fee calculate on check out page(0-310USD), Russia: Shipping fee calculate on check out page(0-4USD). After that, you can think of the perfect watts per square foot. Click to see the most recent price – (EpicLEDGrowLight > 3% off coupon code: HERBONAUT/ Amazon) Next up … 4. This converts to 65 µmol (Usable PPF) per square foot. We will do our best to get back to you within one business day regarding your issue. Quality components mean the light lasts longer, but they also save you money. The Science and Practice of Growing Cannabis. Preorder will ship out in 20 days. We will send you tracking information as soon as it is available. If we consider a 600-watt HPS operating at an efficiency of 1.3µmol/watt it would generate 780µmol (Usable PPF). Once the plants are mature, they can handle a full dose of light. Spider Farmer’s 2.9 micromoles per Joule is at the very high end of efficiency compared to most other grow lights that typically fall between 1.5 and 2.4 uMol/Joule. Turn your seeds into your own supply. It starts with understanding why we use Photosynthetic Photon Flux (PPF) rather than other metrics like wattage to evaluate lights. The ballpark ½ gram per watt figure takes into account that your grow room will follow the proper space guidelines of the grow light, and that the plants will be optimized for growth e.g. The reason why the lights do not need cooling fans is that they come with design that dissipates heat efficiently. They’ll call it a total vague question to ask.Actually, yield from a 4×4 grow tent can be anything between 1lb to 2lb(16-30oz). The light pénétration is a little bit lower if you compare to an hps. Field testing produces the most accurate measurement of Usable PPF, but it must be done correctly. For this reason, our Photon Efficiency ratings are lower than what the manufacturers generally publish. Cost Efficiency: Purchase Price $ / Usable PPF (µmol). Learn about the science of horticultural lighting. Best 6 Grow Light Controllers. Usable PPF is the best value to use for all other grow light calculations because it measures the photons that will be available to the plant for photosynthesis. Spider Farmer SF 1000 LED Grow Light. Many growers still rely on wattage to estimate the size of grow lights. The gram to watt rule states that good growers should be able to yield one gram per each watt that their lights use. International shipments: If we ship your light to your country and you fail to communicate with the shipping company to arrange receipt of your package, the shipping company will destroy your package and you will not be refunded from us. I'd supplement the SF2000 with about 100w of your … Once your return is received and inspected, we will send you an email to notify you about your refund. To make a more realistic estimate we use a range from 0.55g/µmol up to 0.75g/µmol (Usable PPF). Even in an ideal grow setting with an excellent grow light, 10-15% of the photons are lost in radiance and reflection. The veg footprint is 5 x 5 ft, Flowering footprint is 4 x 4 ft. To resolve these problems, we created formulas to estimate Usable PPF based on Calculated or Total PPF. ft). cords, controllers, hangers) must be present when returned. WELL MADE & SOLID CONSTRUCTION: No Fan Noise Free. However, the amount of light (Usable PPF) that you use determines the maximum harvest potential. SF-4000 is an upgrade from my Walmart Mars hydro. The main selling point for the Spider Farmer SF-2000 is the efficiency. In order to accurately describe the amount of light that a fixture can deliver, we use the scientific measurement of Photosynthetic Photon Flux (PPF). 1000 Watts – 36-46 inches during the vegetative phase, 21-36 inches during bloom phase Ideal Distance For Other Types (non-LED) of Grow Lights from Plants: Now that you know what the ideal distance of the LED grow lights from the marijuana plants is, you also need to know the distance between non-LED grow lights and your cannabis plants. In our Grow Light Calculator, you can select which type of PPF data that you want to input. As you can see in the image above, the light intensity is pretty good for flowering at 18 inches hang height. To learn more about PAR, PPF and other grow light metrics see our Grow Light Metrics Primer. However, the optimal density of photons is based on photosynthesis which does not change between vegetative and flowering growth. You can enter your own grow light data or select preloaded fixtures. This light has better canopy light penetration than any light on our list of best LED grow lights, and it has the highest light output of any LED on the market. To determine photon efficiency, we divide Usable PPF by Actual Power Draw in Watts. We include a Grow Space Calculator which shows the optimal light and harvest potential for any grow space.

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