What You Need To Know About Grow Lights

There are many choices for lighting, but the two most commonly used types of lighting include HID and Fluorescents. The most important thing to know about grow lights is which one to use based on your plant. Our experienced staff understands grow lights and the effects certain ones will have on your garden. Come in or call today to discuss your lighting situation with us. 


Without adequate lighting, plants grow weakly, are leggy, and may even die. Our eyes automatically adjust to varying light conditions, so what seems like bright lighting can be useless for plant growth. Natural sunlight is ideal for plant growth. For indoor gardening it is up to the gardener to supply proper lighting in adequate quantities, and with the proper color spectrum to replace the natural sunlight. It is critical for us to understand what works to ensure you of healthy harvests. We have invested many hours in the attempt to find what works. What we have found is that it is not always the most expensive products that work best, it is how you use them. We have spent many hours understanding nutrients and proper formulas so you will get the most out of all of your plants. What we like to do is show you the proper way to use all products, expensive and inexpensive, and how to get the most out of them. There are always differences, but never drastic enough to have your growing project fail.  


Grow Light Options

  • Fluorescents - Since fluorescent grow lights produce just a fraction of the power of Metal Halide and High Pressure Sodium grow lights, they are generally unsatisfactory for general use. They are useful for starting new plants and for some compact hydroponics projects, but must be placed very close to the plants. To cover a 2′ by 4′ area, you will need a minimum of four 54-watt 4′ fluorescent bulbs placed as close to the growing plants as possible. Even then, results may not be satisfactory and producing fruits and vegetables will be difficult. Still, fluorescent grow lights are well suited for the very early stages of plant growth, and are often used to start new plants.

  • High Intensity Discharge - Both Metal Halide (MH) and High Pressure Sodium (HPS) bulbs fall into this category. Their intensely bright light makes them ideal for lighting indoor plantings. Both require Reflector housings and Ballasts to operate. In almost all cases, the same reflectors and switchable ballasts can be used for both MH and HPS bulbs. The area that these forms of lighting can cover depends on their wattage. Ranging from 150 watts to 1000 watts, a single fixture can cover from a small self-contained hydroponics garden up to 20-40 sq. ft. Large installations will require multiple fixtures. Since HID lamps create a great deal of heat, proper venting or even ducting and fans are usually needed.

    >>>> High Pressure Sodium - These lamps produce an orange light, which simulates the autumn sun. HPS light is best for fruiting and flowering . Fruit and flowers will be larger and more prolific when these lights are used. Flowers and vegetables finished off under high-pressure sodium will show tighter, stouter blossoms with increased yields. High-pressure sodium lights are often used in commercial greenhouses. If there is to be only one light source for the entire life of a flowering plant, HPS is the best economical choice. Many indoor and hydroponic gardeners switch between MH and HPS bulbs, depending on the growth cycle. Almost all lighting systems we carry support both types of HID bulbs.

    >>>> Metal Halide - These bulbs produce an intense light of blue-white spectrum, excellent for vegetative plant growth. A plant grown under a metal halide light will often exhibit increased leaf growth and strong stem and branch development. They are less suited for the flowering and fruiting stages of most plants.

  • LED Grow Lights - Grow lights using efficient LED sources are relatively new. Early versions of these lights had insufficient power to be effective for most growers. Recently a new high-density LED array technology was introduced that packs more LEDs and offers more power than previous LED Grow Lights. Here are some of the advantages that LED Grow Lighting has to offer. For further explanation, please call us or come in and talk to our experienced sales staff.

    >>>> Compact Size - Easy to include in smaller reflective growing areas.
    >>>> Self Contained - No ballasts required. Just plug and go.
    >>>> Low Heat - LED grow lights run far cooler than other grow lights.
    >>>> Long Life - No expensive bulbs to replace frequently.
    >>>> Multiple Spectrum Lighting - Customize lights for special needs.
    >>>> Use with Other Grow Lights - Add LED lighting to supplement other lights.

    The Kessil H150 32 Watt series of grow lights is a high-performance, energy saving, long lasting lighting solution designed for the needs of today's indoor gardening. These compact units can be easily used in multiple groups, added to existing lighting and controlled by any timer setup. The modular design packs high-powered LED array packages into each unit, putting out far more light than competing products. Use Kessil H150 LED grow lights along, or in combination with other grow light systems and customize your lighting to suit any environment. The low power draw and efficiency give you immediate savings in energy bills.

    Each unit covers a 2 ft. diameter circle, when hung 12″ to 18″ above plantings, making planning easy. They are ideal for small reflective growing enclosures too, maximizing the light that reaches the plant. Best of all, Kessil H150 grow lights come in four distinct spectral varieties, each tuned for the best results in a variety of growing situations:

    >>>> Kessil H150 32W LED Magenta - The magenta blend of color spectra was designed specifically for plants in the flowering phase.
    >>>> Kessil H150 32W LED Purple - The spectrum of this lamp is multi-purpose, and can take your plants through the entire growth cycle.
    >>>> Kessil H150 32W LED Blue - Specially tuned to enhance vegetative growth, this model won't sacrifice yields.
    >>>> Kessil H150 32W LED Red - The Bloom Booster model. This unit is designed for use along with any grow light system to enhance blooming.
    >>>> Kessil H350 Spectral Halo - boasting 2.5x the light output of H150. By incorporating the latest 90W Dense Matrix LED™ platform, H350 produces an extremely bright, penetrating stream of light that reaches deep into the canopy of the plant.

Garden Management


As with soil-based gardens, hydroponic plants require good pest and disease maintenance controls. Failure to do so creates the same results as with 'ordinary' gardens (i.e. spindly or dead plants). Since the majority of hydroponic plants are fruits and vegetables, that means the plants are not worth eating.

However, managing the hydroponic garden is even trickier, since disease and pests have it much easier in this setting. Plants are continuously kept wet, either immersed in water ('true' hydroponics) or continually sprayed (aeroponics) or reside in a permanently wet medium such as perlite or sand. Fortunately, as with soil-based gardens, there is an large array of available methods to manage the problem.

Contacting Hydro Vision

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"Our biggest accomplishment is earning someone's business"

We are committed to educating our customers and others in the art of indoor gardening. We put our customers needs ahead of our profits.

"Understanding that there is more to a hydroponics website than an online store, we have created a website designed to help our customers, our future customers and our competitions customers."

Please visit any of our Michigan  showrooms and meet our knowledgeable and friendly staff. We look forward to welcoming you into our family!