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While different growers implement different strategies to grow their plants and achieve a high yield, they all find the phase of seed germination to be the most challenging part. Struggling with low germination rates is very common for growers.

However, achieving the desired results in the germination phase is no rocket science. All you need is knowledge about the process, along with the right tools such as seedling trays.

How do I use a tray to sprout seeds?

Using trays lets a grower germinate a lot of seeds at once efficiently, as seedling trays are slotted for individual seed starting plugs or root cubes. The simplest way to se these trays is to just place your seed inside a starter plug and place the plug into the slot in the tray. Cover with a humidity dome and place the whole thing on a heat mat. Now turn your clone or seedling grow lights on and voila, your roots start to sprout in 1-2 weeks.

Here at groindoor.com, we do carry complete kits for seed starting, that are designed to work with each other and help take the guess work out of assembling an entire seed starting kit.

Setting up Grow Lights for Seedling

Follow this step-by-step guide to learn how to set up grow lights for seedlings

The first step is to measure the height at which you wish to hang the grow light. The second step is to hang the light to begin its use. This is where you will have to make use of adjustable hangers for grow lights. Adjust the light to a safe distance that doesn’t burn or stress the plants. Keep an eye out any signs of heat stress, such as yellowing of leaves.

Check out the Jump Start fixture and stand combo. These make your propagation lighting setup incredibly easy.

Have any questions about the germination process? Head to our complete guide on germinating seeds in our Learning center or call the experts at Groindoor.com at 866-GRO-INDR.

  • Super Sprouter Propagation Tray 10 x 20 - No Holes - Pack of 100

    Super Sprouter Propagation Tray 10 x 20 - No Holes - Pack of 100

    Super Sprouter® 10 in x 20 in trays are the perfect solution for propagating your clones and seedlings with rock wool, seedling mix or starter plugs. The Super Sprouter® trays are available without holes to catch excess water and help to keep starts or...

    $177.00 $176.88
  • Mondi Propagation Tray, 10x20 - With Holes - Pack of 50 Mondi Propagation Tray, 10x20 - With Holes - Propagation

    Mondi Propagation Tray, 10x20 - With Holes - Pack of 50

    Deep, continuous channels and level fit wide ridges prevent water pooling and provide better stability for propagation media. Super reinforced sides and lip with thick plastic and UV protection for durability and long life. Professionally engineered...

    $146.00 $84.95
  • Mondi Propagation Tray, 10x20 - No Holes - Pack of 50 Mondi Propagation Tray, 10x20 - No Holes - Pack of 50 - Propagation

    Mondi Propagation Tray, 10x20 - No Holes - Pack of 50

    Deep, continuous channels and level fit wide ridges prevent water pooling and provide better stability for propagation media. Super reinforced sides and lip with thick plastic and UV protection for durability and long life. Professionally engineered...

    $143.00 $84.95
  • Super Sprouter AirMax Tray Insert - Pack of 50

    Super Sprouter AirMax Tray Insert - Pack of 50

    Super Sprouter AirMax Tray Inserts help provide outstanding drainage and aeration to clones grown in Grodan Stonewool A-OK Starter Plugs. These mesh tray inserts are designed to allow high levels of oxygen to enter the root zone in your clone trays. More...

    $158.00 $123.95
  • Super Sprouter Clear Cut Custom Tray with No Holes - Pack of 35

    Super Sprouter Clear Cut Custom Tray with No Holes - Pack of 35

    Made to use with The Super Sprouter Clear Cut Dome and Clear Cut Inserts. The Super Spouter Clear Cut Custom Tray is a great base for this system, and can be used on it's own if what you're propagating doesn't mind extra moisture. The dome clips...

    $176.75 $138.95
  • Super Sprouter Clear Cut Insert Tray with Holes - Pack of 35

    Super Sprouter Clear Cut Insert Tray with Holes - Pack of 35

    Made to use with The Super Sprouter Clear Cut Dome and Clear Cut Custom Tray. This clear insert allows you to look at your starts for roots by simply lifting the insert to view all your starts at once, avoiding direct handling. The Clear Cut Insert...

    $114.80 $85.95
  • Super Sprouter Double Thick Tray 10 X 20 - W/ Hole - Pack of 50

    Super Sprouter Double Thick Tray 10 X 20 - W/ Hole - Pack of 50

    Super Sprouter Propagation Tray - 10x20 Super Sprouter Propagation Trays are great for propagating your seedlings with rock wool, seedling mix or starter plugs. Super Sprouter trays come without holes so that the tray can catch excess water to keep...

    $170.50 $120.95
  • Super Sprouter Quad Thick 10 X 20 Tray - No Hole - Pack of 25

    Super Sprouter Quad Thick 10 X 20 Tray - No Hole - Pack of 25

    Super Sprouter Propagation Tray - 10x20 Super Sprouter Propagation Trays are great for propagating your seedlings with rock wool, seedling mix or starter plugs. Super Sprouter trays come without holes so that the tray can catch excess water to keep...

    $139.25 $100.95
  • Super Sprouter Double Thick Tray 10 X 20 - No Hole - Pack of 50

    Super Sprouter Double Thick Tray 10 X 20 - No Hole - Pack of 50

    Super Sprouter Propagation Tray - 10x20 Super Sprouter Propagation Trays are great for propagating your seedlings with rock wool, seedling mix or starter plugs. Super Sprouter trays come without holes so that the tray can catch excess water to keep...

    $159.00 $112.95
  • Super Sprouter 50 Cell Square Plug Tray Insert - Pack of 70

    Super Sprouter 50 Cell Square Plug Tray Insert - Pack of 70

    With Super Sprouter it's easy to find the exact inserts you want to use with your starts. From square, to circle, to their patent pending star patter, there is the perfect shape to go with a combination of grow media. If you were looking to mix and...

    $214.20 $143.95
  • Super Sprouter 72 Cell Plug Tray - Square Holes - Pack of 100

    Super Sprouter 72 Cell Plug Tray - Square Holes - Pack of 100

    With Super Sprouter it's easy to find the exact inserts you want to use with your starts. From square, to circle, to their patent pending star patter, there is the perfect shape to go with a combination of grow media. If you were looking to mix and...

    $474.00 $326.30
  • Super Sprouter 72 Cell 6/Pk Tear Away Inserts - Pack of 100

    Super Sprouter 72 Cell 6/Pk Tear Away Inserts - Pack of 100

    With Super Sprouter it's easy to find the exact inserts you want to use with your starts. From square, to circle, to their patent pending star patter, there is the perfect shape to go with a combination of grow media. If you were looking to mix and...

    $165.00 $124.70
  • General Hydroponics Rapid Rooter Tray - 50 Cell Tray & Plugs General Hydroponics Rapid Rooter Tray - 50 Cell Tray & Plugs - Propagation

    General Hydroponics Rapid Rooter Tray - 50 Cell Tray & Plugs

    Use Rapid Rooter for robust early rooting that supports explosive plant growth! Rapid Rooter plugs are all natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or cuttings. Transplant plugs...

    $27.95 $20.10
  • Root Riot 50 Cube Tray with Clonex Gel

    Root Riot 50 Cube Tray with Clonex Gel

    Root Riot are plant starter cubes for cuttings and seeds for soil or hydroponics. Includes a free Clonex Gel 15 ml packet (EPA No. 79664-1). Made from material and are fully biodegradable. Root Riot will give you faster, more vigorous rooting. Perfect...

    $26.81
  • 10''x 20'' Standard Tray w Drain Holes

    10''x 20'' Standard Tray w Drain Holes

    This basic 10" x 20" black plastic propagation tray without holes is great for all your propagation needs. Price is per tray. Case quantity is 100 Made in North America

    $26.54 $2.64
  • Speedy Root 50 Cell Plant Starter Tray w/ Media

    Speedy Root 50 Cell Plant Starter Tray w/ Media

    50 cell natural plant starter. Made of the finest quality Peat and Perlite, Speedy Root has the perfect air-to-water ratio, allowing for optimal aeration and water retention. The environment within these plugs will encourage root branching and help your...

    $42.99 $13.50
  • Speedy Root 32 Cell Plant Starter Tray w/ Media

    Speedy Root 32 Cell Plant Starter Tray w/ Media

    50 cell natural plant starter. Made of the finest quality Peat and Perlite, Speedy Root has the perfect air-to-water ratio, allowing for optimal aeration and water retention. The environment within these plugs will encourage root branching and help your...

    $54.95 $20.09

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