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Jump Start

10 products


  • Sale -14% Jump Start - Stand (Stand Only)

    Jump Start - Stand (Stand Only)

    If you already own a 4' fluorescent fixture, make the most of it and other Jump Start garden gear with this 4' Jump Start stand (System sold separately). Features: Ideal for seedlings, cuttings, flowers, and house plants Simple toggle clamp for easy lamp height adjustment Easy assembly System size: 4' dimensions: 31" H x 18" W x 50" L System box size: 4' dimensions: 7" H x 2" W x 53" L If you already own a 2' fluorescent fixture, make the most of it and other Jump Start garden gear with this 2' Jump Start stand (System sold separately). Features:  Ideal for seedlings, cuttings, flowers, and house plants Simple toggle clamp for easy lamp height adjustment Easy assembly System size: 2' dimensions: 24"H x 18"W x 26"L System box size: 2' dimensions: 7"H x 2"W x 30"L

    $45.54$39.28

  • Sale -23% Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W

    Jump Start Commercial Seedling Heat Mat Modular Add-on, 60" x 21", 140W

    This is the add-on unit for the MTMDU Commercial Heat Mat. You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area. Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings. Warms root area 10-20°F over ambient temperature to improve germination. Supersized mats: 60" x 21" Rugged and durable with waterproof connectors Daisy-chain up to 5 units (4 of these add-on units plus the the Commercial Mat MTMDU) Plugs into an MTMDU heat mat and/or another MTMDA mat. The mat at the start of the chain must be an MTMDU, which plugs into our Digital Heat Mat Thermostat (MTPRTC) (required, sold separately)

    $232.61$180.27

  • Sale -23% Jump Start Commercial Seedling Heat Mat, 60" x 21", 140W

    Jump Start Commercial Seedling Heat Mat, 60" x 21", 140W

    Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one. Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new heavy duty modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings. Warms root area 10-20°F over ambient temperature to improve germination. Supersized mats: 60" x 21" Rugged and durable with waterproof connectors Daisy chain up to 5 units (4 add-on units MTMDA plus this Commercial Mat) Plug into our Digital Heat Mat Thermostat (MTPRTC) (required, sold separately) Supersized mat: 60 inches by 21 inches Rugged and durable with waterproof connectors Daisy chain up to 5 units (4 add-on units MTMDA plus the this Commercial Mat) Plug into our Digital Heat Mat Thermostat (MTPRTC) (required, sold separately)

    $260.64$201.99

  • Sale -10% Jump Start Digital Temperature Controller for Heat Mats

    Jump Start Digital Temperature Controller for Heat Mats

    Our heat mat thermostat is digital for greater accuracy. Features Water-resistant stainless steel temperature probe Digital temperature control Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments LED mode indicator lights; 3-prong grounded plug Compatible with all Hydrofarm heat mats Controllable range from 68 to 108 degrees Fahrenheit Celsius or Fahrenheit read-out (press Up or Down button to change) Max current: 8.3 amps/1000 watts   Error Codes: E1: temperature is too low, has exceeded the range limit; or the temperature probe open (break). E2: temperature is too high, has exceeded the upper limit of the range. E3: Short-circuit for temperature sensor (probe)   Water-resistant stainless steel temperature probe Digital temperature control Provides constant optimum temperatures for specific crops Controls temperature in colder or warmer environments Compatible with all heat mats

    $77.17$69.46

  • Sale -10% Jump Start Germination Station w/Heat Mat, Tray, 72-Cell Pack, 2" Dome

    Jump Start Germination Station w/Heat Mat, Tray, 72-Cell Pack, 2" Dome

    The Germination Station is the perfect indoor start to your garden! The Jump Start Germination Station is an ideal way for the space-challenged gardener to start seeds indoors all year round. In this kit, the Germination Station comes complete with a 72-cell seedling insert, watertight base tray, 2" vented dome, and a 17W heat mat. The vented dome helps to maintain just the right amount of humidity to ensure germination success and bigger, healthier seed starts. The compact size of the station allows anyone with a spare corner to start a garden. Add your own choice of growing media and plugs to get growing.     Features: UL-listed waterproof heat mat, 17 Watts, 120 Volt 2" humidity dome 11" x 22" watertight base tray 72-cell seedling insert Includes instructions with growing tips UL-listed waterproof heat mat, 17 Watts, 120 Volt 2-inch humidity dome 11 x 22 watertight base tray 72-cell seedling insert Includes instructions with growing tips

    $52.90$47.67

  • Sale -34% Jump Start 2' T5 Grow Light System with Timer(Stand, Fixture & Tube)

    Jump Start 2' T5 Grow Light System with Timer(Stand, Fixture & Tube)

        When germinating seeds, the fixture can be kept just inches away from the seeds (or humidity dome). After sprouting, keep the fixture 3-6" away from the plant canopy.The built-in timer allows you to easily set a 12 hours on/12 hours off schedule or an 18 hours on/6 hours off schedule with a single button press.    Ideal for seedlings, cuttings, flowers and house plants Grow seedlings faster with 15-20% more lumens Simple toggle clamp for easy lamp height adjustment Super easy assembly Internal reflective finish directs more light to plants 24" interior width     INCLUDES: T5 high output grow light fixture and bulb ( 6400K full-spectrum) 2' Jump Start Light Stand 6' grounded cord with on/off switch   Dimensions:JSV2T: 24.5"H x 18.25"W x 26"LJSV4T: 31.75"H x 18.25"W x 50"L   System box size:2' dimensions: 7" H x 2" L x 30" W4' dimensions: 7" H x 2" L x 53" W  

    $128.63$84.50

  • Sale -32% Jump Start 4' T5 Grow Light System with Timer (Stand, Fixture & Tube)

    Jump Start 4' T5 Grow Light System with Timer (Stand, Fixture & Tube)

    When germinating seeds, the fixture can be kept just inches away from the seeds (or humidity dome). After sprouting, keep the fixture 3-6" away from the plant canopy. The built-in timer allows you to easily set a 12 hours on/12 hours off schedule or an 18 hours on/6 hours off schedule with a single button press.  Ideal for seedlings, cuttings, flowers and house plants Grow seedlings faster with 15-20% more lumens Simple toggle clamp for easy lamp height adjustment Super easy assembly Internal reflective finish directs more light to plants 48" interior width   INCLUDES: T5 high output grow light fixture and bulb ( 6400K full-spectrum) 4' Jump Start Light Stand 6' grounded cord with on/off switch Dimensions:JSV2T: 24.5"H x 18.25"W x 26"LJSV4T: 31.75"H x 18.25"W x 50"L   System box size: 2' dimensions: 7" H x 2" L x 30" W4' dimensions: 7" H x 2" L x 53" W

    $166.47$112.65

  • Sale -15% Jump Start Hot House w/Heat Mat, Tray, 72-Cell Insert, 7.5" dome

    Jump Start Hot House w/Heat Mat, Tray, 72-Cell Insert, 7.5" dome

    Get a jump start on the growing season with the Hot House with Seedling Heat Mat. It is well known that seeds will often germinate much more easily when provided with temperatures 10°F-20°F above room temperature. Get started quickly with your own growing media and plugs or purchase them separately for a complete system setup. The Seedling Heat Mat is UL-listed and provides gentle heat that will never damage roots. Includes base tray, 72-cell insert, vented dome, and heat mat. Full instructions are printed right on the mat. Features 7.5" humidity dome with three adjustable vents Increases germination success Better humidity control for optimum growth  17 watts, 120 Volt heat mat 11" x 22" watertight base tray 72-cell seedling insert Instructions with growing tips

    $60.72$51.89

  • Sale -6% Jump Start Seedling Heat Mat

    Jump Start Seedling Heat Mat

    Hydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is the perfect size for small growing spaces, and improves germination by warming the root area 10-20°F over ambient temperature. By warming the roots, you increase your growing success, as this mat will maintain a controlled temperature all season long. If you ever dreamed of growing a windowsill container garden but found the area just a bit too drafty, add this heat mat and you'll be ready to get growing.   Features  UL listed Includes power cord

    $36.42$34.26

  • Sale -11% Jump Start Smart Float 55-Cell Grow Tray w/Plugs

    Jump Start Smart Float 55-Cell Grow Tray w/Plugs

    Jump Start Smart Float 55-Cell Grow Tray w/Plugs   Hydrofarm's Smart Float comes with a 55-cell floating insert, heavy duty tray, and 55 earth-friendly Quick Start plugs to get your plants off to a great start.   Features Smart Float provides an ideal air-to-water ratio Perfect for starting seeds or cuttings Works great with Hydrofarm domes to create a mini greenhouse Plug refills available to ensure you never have to buy more equipment Smart Float provides an ideal air-to-water ratio Perfect for starting seeds or cuttings Works great with Hydrofarm domes to create a mini greenhouse Plug refills available to ensure you never have to buy more equipment Includes 55 earth-friendly Quick Start plugs

    $56.04$50.03