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Six Vivosun green seedling starter trays with clear lids sit atop three Vivosun seedling heat mats with digital controllers.
Vivosun seed starting kit includes heat mat, trays, humidity domes, garden tools, and temperature controller.
Vivosun Seedling Combo: green trays with seedlings, lids & images of peppers, mint, strawberries, tomatoes.
Vivosun seedling starter tray combo with heat mat, dome, and tools for plant germination.
Green Vivosun seedling tray with 12 young plants indoors or outdoors.
VIVOSUN dual digital display seedling incubator shows real-time temperature (60°F) and set temperature (68°F) with 0°C/32°F to 50°C/122°F range.
Vivosun seedling heat mat warming plants for germination. IP67 waterproof surface is easy to clean.
Vivosun seed starter tray with humidity dome and heat mat.
Six Vivosun green seedling starter trays with clear lids sit atop three Vivosun seedling heat mats with digital controllers.
Vivosun seed starting kit includes heat mat, trays, humidity domes, garden tools, and temperature controller.
Vivosun Seedling Combo: green trays with seedlings, lids & images of peppers, mint, strawberries, tomatoes.
Vivosun seedling starter tray combo with heat mat, dome, and tools for plant germination.
Green Vivosun seedling tray with 12 young plants indoors or outdoors.
VIVOSUN dual digital display seedling incubator shows real-time temperature (60°F) and set temperature (68°F) with 0°C/32°F to 50°C/122°F range.
Vivosun seedling heat mat warming plants for germination. IP67 waterproof surface is easy to clean.
Vivosun seed starter tray with humidity dome and heat mat.

Vivosun 3-Pack 10"x20.75" Seedling Heat Mat w/ 6-Pack Seed Starter Trays

Official VIVOSUN Dealer Model: WEB-SST-H-0003
$89.99$79.99$89.99
 $89.99
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Three 10″ × 20.75″ heat mats with independent thermostats
  • Far-infrared heating built into durable PVC and PET film
  • IP67-rated waterproof surface that wipes and scrubs clean
  • View More Details

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Mon to Fri, 9am to 5pm PST

Call (360) 800-5535
  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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THROUGH THE Cultivator's LENS Highlights

  • You are germinating multiple crop varieties at once because a single temperature setting does not fit them all.
  • You are scaling up your seed-starting setup because you need three independent heat zones for different plants.

  • Three separate 10 inch by 20.75 inch mats provide far-infrared bottom heat across larger seed-starting setups.
  • Each mat features its own digital thermostat with real-time dual digital readouts to set individual temperatures.
  • The IP67-rated waterproof PVC and PET surface wipes and scrubs clean easily.

  • Growers who run warm-season peppers alongside cooler-germinating herbs say they love managing both sides by side.
  • Users who transplant seedlings say the cells and trays make moving young plants into pots or garden beds easy.

Vivosun 3-Pack 10"x20.75" Seedling Heat Mat w/ 6-Pack Seed Starter Trays

One heat mat covers only so many trays, and once you're germinating more than one crop at a time, a single temperature setting won't fit them all. The Vivosun 3-Pack 10"x20.75" Seedling Heat Mat w/ 6-Pack Seed Starter Trays gives you three 10″ × 20.75″ heat mats, each with its own digital thermostat. That's three independent heat zones, paired with a 72-cell seed starter kit with vented humidity domes.

Each heat mat uses far-infrared heating built into durable PVC and PET film designed to meet MET standards, with an IP67-rated waterproof surface that wipes and scrubs clean. The self-adjusting dual digital display controllers let you set a target temperature for each mat. They read an internal sensor chip and show each pad's real-time temperature, so you can run warm-season peppers and cooler-germinating herbs side by side.

The seed starter kit includes six 12-cell trays, six base trays, and six clear humidity domes with adjustable vents for managing moisture and temperature during germination. Drain holes in every cell prevent overwatering, and the trays tolerate 0–120°F, so they won't melt on the mats. Sow directly into the cells or place six 30mm seedling blocks on each base tray. When seedlings are ready, they transplant easily into pots or garden beds, and the reusable trays nest for storage.

Features

Vivosun seedling heat mat and seed starter tray combo
Vivosun seedling heat mat with dual digital display controller
Vivosun seed starter trays with vented humidity domes
Seedlings germinating on Vivosun heat mat
🔥
Three 10″ × 20.75″ Mats

Far-infrared bottom heat across three separate mats for larger seed-starting setups.

🌡️
Independent Thermostats

Set each mat to its own temperature with real-time dual digital readouts.

💦
IP67 Waterproof Surface

PVC and PET film mats scrub clean, built to meet MET standards.

💨
Vented Humidity Domes

Six clear domes with adjustable vents hold moisture through germination.

🌱
72 Cells or Seedling Blocks

Sow into 12-cell trays or set six 30mm blocks on each base tray.

💧
Heat-Safe, Draining Trays

Trays tolerate 0–120°F and drain excess water to protect roots.

What's Included

  • 3x Seedling Heat Mat (10″ × 20.75″)
  • 3x Dual Digital Display Temperature Controller
  • 6x 12-Cell Seed Trays
  • 6x Base Trays
  • 6x Humidity Domes
  • 1x Garden Tool Kit
  • 10x Garden Labels

Specifications

Specification Value
Heat Mat Quantity 3
Heat Mat Size 10″ × 20.75″ (each)
Heat Mat Material PVC and PET Film
Heating Technology Far-Infrared
Waterproof Rating IP67
Safety Standard Designed to Meet MET Standards
Temperature Controller Adjustable, Dual Digital Display
Temperature Sensing Internal Sensor Chip, Real-Time Readout
Seed Trays 6 × 12-Cell (72 Cells Total)
Seedling Block Capacity 6 × 30mm blocks per base tray
Humidity Domes Clear, with Adjustable Vent
Tray Drainage Drain Holes in Each Cell
Tray Temperature Tolerance 0–120°F

Frequently Asked Questions

Why choose the 3-pack heat mat combo over a single mat? +

Three mats give you more heated surface area for larger seed-starting setups. Because each mat has its own thermostat, you can run three different temperatures at once, which is ideal when germinating crops with different heat needs.

How do I set the temperature on each heat mat? +

Use each mat's digital controller to enter a target temperature for what's growing on it. The controller reads the mat's internal sensor chip and displays the pad's real-time temperature alongside your setting.

Will the seed trays melt on the heat mats? +

No. The seed starter trays tolerate temperatures from 0 to 120°F, so they hold up to continuous bottom heat without melting or warping.

Can I clean the heat mats if water spills on them? +

Yes. Each heat mat has an IP67-rated waterproof surface that's safe to wipe and scrub. Regular cleaning keeps them hygienic and working properly.

How should I use the vents on the humidity domes? +

Keep the vents closed to hold in moisture and warmth while seeds germinate. As seedlings emerge, open them gradually to release excess humidity and help seedlings adjust to drier air.

Can I use seedling blocks instead of starting mix? +

Yes. Sow directly into the 12-cell trays with your starting mix. Or remove the cell tray and place six 30mm seedling blocks, such as rooter plugs or compost pucks, on each base tray.

Are the trays reusable? +

Yes. The durable trays and domes can be cleaned and reused for multiple seasons, and they nest together for compact storage between plantings.

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Questions About This Product?

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