JavaScript is disabled. are bulbs with color temperature of 6,400 or 6,500 Kelvins. You can place the T5 grow lights literally inches away from plants and that way give them the maximum light intensity while still keeping them healthy and undamaged. Seedlings usually require an intense light that is very bright, because the light needs to reach all the plants leaves. To meet these requirements, we recommend using one 12W CFL bulb per 12 seedlings. All I know is that I love them to the third node and then they're for supplemental use or for clones in my tent. I've just noticed best growth at a much closer proximity. First and T5 grow lights will not only easily last 18 hour work time without any glitches or heat buildup, but they also are very compatible with different types of timers, so that you dont even have to worry about switching the lights on and off. www.t5fixtures.com/why-t5-lights-are-the-best-grow-lights-for-seedlings It looks like using the 18 oz Solo cups; 16 fit very nicely under the center of the unit with only one of the switches on or 4 bulbs and they are seedlings. Some growers even use fluroescent grow lights such as the T5 successfully to flower their plants (if the plants are kept short/small enough through growth control methods). Actually, mounting lights depends on the amount of space available and the type of plant that you have grown. Maybe these are just shitty bulbs. Hydrofarm t5 put out less heat than quantum bad boys and htg t5's. Bulbs are classified by T for tube and the number represents their diameter 5 = 5/8, 8 = 8/8 or 1, and 12 = 12/8 or 1.5. The color kelvin temp/nano wavelengths are designed to maximize Seedling / Vegetative Growth stages. Fortunately, heat emission is not a problem with T5 lights. Most plants usually requite about 14 to 18 hours of light each day, but the rest of the time you need to keep them in dark, to imitate night. 2) Coverage of light. Made of recycled polypropylene , the base unit includes everything At 30cm away the seedlings are so short and compact you can tell the t5s are forcing the plant back. So after reading this thread, I'm seriously considering getting two 4 foot, 4 light t5s instead of a 600watt MH for the veg room. What causes leggy seedlings? I run a 2ft 8 bulb (23W per bulb) at 16k lumens (allegedly) 1"-2" from my seedlings. Well I am here to help you with that. Two 36-inch, 6400K, full-spectrum T5 fluorescent bulbs (3,730 lumens) give optimum coverage, and the high-tech reflectors shine directly onto plants for vigorous growth with less glare. But were discontinued in 2012, so gardeners needed to find the next best seedling light option. Does not require any added ventilation. That's just my experience. Browse our selection of T5 bulbs below. To start seedlings with supplemental lighting is quite delicate process because with seedlings you have to be even more careful with the light intensity, the heat that radiates from the lights and the light cycles. Previously one of the most used lighting systems for seedlings was T12 lights, because they were very inexpensive. . When the light source is too dim or far away, the seedlings kick into survival mode and grow quickly in height to try to get closer to that light. , which wont let you have beautiful and healthy plants afterwards. Heat will be where ever the drivers are. thanks for any help. Specialized light fixtures for growing plants sometimes specify T8 bulbs, which can be kept 2-3 from the tops of the plants. https://www.maximumyield.com/t5-grow-lights-what-you-need-to-know/2/1410 Q. I have read in technical papers that one failure can be leaving seedlings too long in the germination chamber, which in my home setup would very roughly mean on the heating mat and under a plastic dome. As photosynthesis really starts to ramp up during these growth phases, the more light you can provide to your plants, the better your final outcome And as I explained before, if you buy a non-grow light T5 bulb, you might end up damaging your plants, because non-grow lights usually emit more heat than grow lights do. So even though a T5 fluorescent grow light looks bright to your eyes, it is practically dark compared to what the seedlings are used to. They grow fast as hell and are super healthy. I was just curious to know if the drop in performance was significant if at all over say 6 months. I'm thinking heat wise, the two t5s will be the same or less than the 600watt MH and I can easily get replacement bulbs for the t5s vs the MH. But on the other hand this additional light will let you grow a much wider range of plants and start the seedling process even in the dead of winter if you please. A T5 is a fluorescent grow light, the T stands for tubular and the 5 is for the 5/8-inch diameter. Seedlings that are hungry for more light will stretch tall and thin, and/or lean towards the brightest light source. Right on top of them. Thankfully T5 fluorescent lights are not only very bright but also very powerful, so they are perfect for seedling production. T5 bulbs come in variety of color temperatures and one of them which also are the most popular and easily accessible one are bulbs with color temperature of 6,400 or 6,500 Kelvins. Thankfully T5 fluorescent lights are not only very bright but also very powerful, so they are perfect for seedling production. I've seen some pretty wicked T5 grows, so I'm not dissing them in any way. Autoflowering plants can be ready to harvest in two to three months from seed and if the lights are on 24 hours a day that means about 1500 to 2000 hours of light for one crop. Fluorescent lighting has been a common sight in the grow room for decades now but todays high-output T5 light fixtures offer a level of performance and efficiency that far exceeds the capabilities of the repurposed shop-lights of years ago. But we, 2012, so gardeners needed to find the next best seedling light option. T5 bulb life span. Barrina T5 Grow Lights, Full Spectrum, 2ft 80W (8 x 10W, 500W Equivalent), LED Grow Light Bulbs, Plant Lights for Indoor Plants, Greenhouse, Plug and Play, 8-Pack 4.7 out of 5 stars 338 $64.99 $ 64 . https://www.rollitup.org/t/smashing-fluorescent-lamps.864130/. I only know the maths for my 4x24watt t5 light wave unit which gives 6600lumens at one foot or 12" away. Bigger plants have no problem getting closer but still 6inches seems an optimun distance for them. What are the rules of thumb using the T5's units when starting with seeds. Search for: t5 grow lights for seedlings. I may be wrong. On top of that almost all of T5 bulbs that come in this color temperature emit full spectrum light, meaning that it is the closest it can get to non-artificial sunlight. In most cases, youll want to be able to raise the lights as the plants grow taller. Blogger, editor and owner of t5fixtures.com. Includes all the T5 bulbs you need to get Not to.close to prevent spectral blend. What to consider when buying a new T5 fixture ballast? Interested in gardening related stuff, especially grow lights. Keep T5 bulbs 5-6 from the tops of the plants. The best light is a light that resembles natural daylight, meaning that it should be around the color temperature of 6,400 Kelvins. I'll go check the wattage. If the light will be of mediocre intensity, the seedlings will grow in height, but not in width, they will get tall and under-grown, which wont let you have beautiful and healthy plants afterwards. EnviroGro FLT24. T5 fluorescents: 56 inches away from seedlings. See our 18W Flowering / Fruiting T5 LED Fixture as well. Because you can get them "2-"3 away from the tops without toasting your plants. If you use a light that gets hot fast and emits a lot of heat too, then that kind of light will damage your plants and can even stun their growth. You must log in or register to reply here. On top of that almost all of T5 bulbs that come in this color temperature emit full spectrum light. Once your plants are set up to thrive past their initial growth, you really need the higher brightness capacity of T5 grow lights. And the last thing of course is the light color, because it is also extremely. They have 4ft 8 bulb lamps would be cheaper. Ive seen threads recomend much higher but in practice i believe im close if not spot on. After selecting a suitable fixture and bulbs, it is also vital to know how far should T5 lights be from plants. Unless you keep your plants very small, they will need more light to The next question is coverage. So about 4 inches from canopy is.perfect. Depending on how the drivers are vented. But how to choose which type of lights are the best for this process? Always provide adequate ventilation and one least one small interior fan. Even the cheap t5's ive had did just fine for growing weed and wouldnt worry or change anything, 24watt is pretty much standard for that size. In general, I recommend changing to stronger grow lights like LEDs or HIDs for the flowering stage because they will usually give you double or more yields/watt of electricity. There is a lot of obvious damage that providing too much light can cause seedlings and small plants that instantly dissapears once the right lumen level is reached and seems apparent on seedlings kept to close to t5s. The par emitted along the length of each t5 bulb is consistent Most essential tools for indoor plant growing. There are T5 bulbs that are grow lights, and then there are ones that are manufactured just for regular use. Seedlings have a natural tendency to grow toward light. my diary link is here if anyone is interested in watching my 4th attempt at hybrid DWC! They seem to grow just fine though. Inverse square law. Do t5 floros lose intensity with time and age? A 2 T5 fixture is perfect for a small tabletop space. The industry standard for all lumen measurements is at 1foot for flourescents and 1m for hps and why hps manufacturers give a reading of lumens per meter squared and t5 manufacturers give it in feet squared. Maybe you're running different bulbs or something. A T5 fluorescent is great for seedlings into the vegetative stage but doesnt have the power needed to really grow a plant to maturity. The T5, T8 and T12 bulbs are the most common tube types. Place up to (96) fixtures vertically on (1) 20-amp circuit to allow up to (24) large bush-type nightshade plants to For a better experience, please enable JavaScript in your browser before proceeding. The multiple bulbs project light from various angles increasing canopy penetration. LED grow lights also work, but it is important to ensure they are not too close to the young plants or seedlings, as new plants are very sensitive. More.. T5fixtures.com Copyright 2018, All Rights Reserved. Outdoor plants get a certain amount of hours of light and dark to grow properly, and you need to simulate these conditions indoors, too. Cannabis seedlings like to receive around 16 hours of light per day at an intensity of 375 lumens and 4000 lux. Start with fluorescent lights about 12 inches about seedlings. Gather all the supplies youll need. eaning that it is the closest it can get to non-artificial sunlight. We offer high-output T5 bulbs (T5HO) designed specifically for growing plants. 1"-2" away is perfect as long as there is circulation around them.