Grow Lights

  • How To Measure Grow Light With A PAR Meter

    Are you aware of just how effective your grow light is? If you are growing indoors, you need to understand how to measure your light with a PAR meter. Light is one of the most prominent factors in how your plants grow, and so it is important to constantly be testing your light output.

    There are other ways to measure light, such as lumens and lux meters, but these won’t give you the same useful information, and have sort of become outdated.

    We're going to tell you everything you need to know about measuring your grow light, including how to actually use a PAR meter, and some limitations these may have. Then, we will give you some tips on how to increase your lights effectiveness. First, let’s cover why lumens and lux don’t cut it these days.

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  • Grow Room Electricity Calculator - What Will It Cost To Run My Lights?

    A grow room electricity calculator will help you develop realistic expectations for the costs of running your lights. On top of the initial setup costs of your grow tent, lights, ventilation equipment, CO2, and more, you need to consider the monthly cost of running these components.

    The bulk of your monthly energy bill is going to come from running your grow lights, so our grow room electricity calculator will put a dollar figure to what you can expect to pay.

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  • Gavita Pro 1650e LED Grow Light Review

    Gavita is an industry leader in grow lighting, and they are known for their premium lighting fixtures. We recently got the chance to unbox the new Gavita Pro 1650e LED Grow Light, and install it in our grow tent.

    We were blown away with this light, and would like to highlight a few key features that set it apart from other commercial grow lights.

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  • Hemp Cultivation Supplies has been supplying commercial hemp farms with hemp propagation equipment, hemp grow lights, and CBD harvest supplies since 2011. We are proud to be considered an authority figure in this industry, and love working with small and large scale farms.

    Hemp grow lights and propagation supplies

    With the country wide legalization of hemp, industrial hemp farms are in a position to be more successful than ever.

    The question now becomes how to get the most out of your crop. Automation and optimization go hand in hand, and should always be the goals of industrial hemp farmers.

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  • How to handle excessive heat in your grow tent

    Not too hot and not too cold; many of the plants we grow are just like us and prefer similar temperatures — between 65 to 85 degrees Fahrenheit.

    Also, like us, they hate extreme temperatures changes. Plants will temporarily stress out when adjusting to them.

    Controlling temperatures is one of the single most important aspects of growing. If you fail to do so, you will wreck your plants nutrient uptake and weaken them to diseases before they eventually die. How about I show you how to avoid this?

    Let's take a look at some common grow tent heat problems, and how to remove this heat from your grow tent or grow room.

    Never Grow Without A Thermometer / Hygrometer

    A thermometer and hygrometer are essential to every indoor garden. Locking your plants into their preferred temperature and humidity ranges is crucial for nutrient uptake.

    If your vapor pressure deficit (VPD) is off (air temp + leaf temp + relative humidity), then your plants will either drink and uptake too much or not enough nutrients. It’s common to see calcium deficiencies because transpiration is largely affected.

    If this happens, you can use a cal-mag supplement. But you will need to address the root cause eventually as well.

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  • Different Types of Grow Light Bulbs

    There are many different types of grow lights and grow light bulbs on the market. Different factors will affect which grow light bulb is best for you. The two main factors you should consider are wattage and spectrum.

    Bulb Wattage

    Figuring out the wattage you need will depend on tent size, plant coverage, and light type. The last one is important to remember and not all light wattage is created equally. A 200W HID delivers lights much more efficiently than a 200W CFL.

    As a general rule of thumb, you’ll want a minimum 23-30 watts of light per square foot. If you have a grow space that is 4’ by 4’ you’ll want at least 400 watts to fill the space. Since fluorescents are weaker you’ll times that by 5, so 115-150 watts per square foot.

    Bulb Spectrum

    Color temperature has a strong influence overs plants and different temperatures will affect plants in different ways. A blue or bright white found in the temperature range of 5000 K is recommended for plants in the vegetative stage as it keeps them short and bushy.

    The temperature range around 3,000 K that produces a yellow or red light is strongly recommended for flowering plants. If you can only afford one temperature for the entire growing period, it’s recommended to stay in the lower range of 3,000- 4,500 K.

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  • How to Hang Your Grow Lights

    How do you hang your grow lights? With the right tools, it is actually very easy!

    When you are hanging your grow lights, there are several different methods that you can use. The one you choose will be determined by the setup you have in place, and whether you have any available beams for your growing room.

    Those who have beams can install the lights, or a grow light mover system, right onto the beams.

    It is possible to use screws and hooks added directly to the beam. Just make sure they are strong enough to hold up the lighting system you plan to use.

    Those who do not have beams will want to purchase a frame that they can place over the top of the lights, to which they can then affix the lights.

    While this method might be more expensive since you will have to buy a frame, or frames, you will find that it provides you with more freedom, as you can more easily move the entire setup to a new area if needed. Continue reading

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  • Growing with LED Grow Lights

    LED stands for light-emitting diodes. LED grow lights have rapidly come down in price and home growers everywhere are starting to make the switch to solely using them as their lighting option.

    Maybe you don’t care about leading the charge, and you simply want a lighting system that produces extremely low heat, comes ready to plug-and-play, and can produce high yields with incredible energy efficiency. If so, look no further because LED is the perfect lighting option for you.

    For calculating cost, expect to spend $1.50-$3 per watt depending on quality and brand. Remember that while most LEDs cost more per watt than HID lamps, they do not require a reflector or ballast. As well, LED lights last for decades where HID bulbs will often need to be replace every couple of years. Continue reading

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  • The Best Grow Light Reflectors

    If you are using HID or CMH grow lights, you will need a grow light reflector. The reflector is necessary for redirecting wasted light back towards the plant canopy.

    With so many different types of reflectors, it can be tough to decide on one. There are also a lot of specifications that can make shopping difficult.

    The purpose of the reflectors is to make the light from your grow lights more effective and efficient. If you do not choose the correct reflective hood, it can actually have adverse effects in your grow room.

    Lets take a look at the best grow light reflectors for each grow light type.

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  • Grow Lights for Grow Tent Kits

    The main factor you will be shopping by when picking out a grow tent is the lighting system you will be using.

    Choosing a grow light for your grow tent kit is easy!

    Take away the stress, leave the headache for another day, and set yourself up for gardening success with our complete grow tent kits.

    All of our grow tent packages include grow tents, grow lights, ventilation, and more. That’s right, our grow tents come with lighting packages that not only come with your choice of grow light - HID, CMH, LED, and Fluorescent - but come with every component you need to get them up and running.

    Our grow tent packages are designed so you can make one purchase and have everything you need to go grow from seed to harvest. Our tents come in sizes that will comfortably fit in your closet, all the way up to ones that fill your garage.

    Whether you’re a new gardener that’s looking to start your first grow or a pro that’s looking for a change, at Hydrobuilder we’ve got you covered. Continue reading

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