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VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

4.6 4.6 out of 5 stars 22,264 ratings
#1 Best Seller in Plant Heating Mats
$11.98 with 20 percent savings
Typical price: $14.99

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1-Pack 10"x20"
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Purchase options and add-ons

Plant or Animal Product Type Herb
Indoor/Outdoor Usage Indoor
Brand VIVOSUN
Color Black
Special Feature Pet Friendly
Expected Blooming Period Summer
Item Weight 0.38 Kilograms
Unit Count 1 Count
Product Care Instructions water
Soil Type Sandy Soil

About this item

  • Reliable Results: The VIVOSUN professional heat mat maintains sweet-spot temperatures around 68-86℉(20-30℃), which is perfect for start seeding and cutting propagation; Made of high-quality PVC material, it is wear-resistant and durable to use
  • Stable & Uniform Heat: The advanced far-infrared heating technology of this heat pad provides your plant with a warm environment to create optimal conditions for speeding up germination and accelerating the growth rate; The strengthened heating film with double insulation layers ensures this durable mat will not scorch the root and can produce plenty of invigorating dew when being used in combination with a humidity dome
  • Built to Last: Designed with soft, flexible, and ultra-lasting material, this warming mat goes beyond stringent MET standards; The IP67 rating waterproof surface is easy to clean that enables safe scrubbing; Note: please only use the product indoors and do not immerse it in the water; Equipped with a carrying bag in the package, you can simply roll it up and pack it away, which is handy to move to different places; This product does not specify any expiration date
  • Best Savings in the Market: This 10" x 20.75" heating pad with a 5.9ft power cord is suitable for standard 1020 trays and slightly larger than comparable mats on the market; It also runs on only 20 Watts to help you save on electricity; It can not only use for plant sprouting and other indoor gardening but also for home brewing and terrarium warming, meeting your different daily needs
  • Innovative Heating: With the radiate far-infrared light wave, this seeding heat mat makes the heat source softer and provides enough heat, which can be heated up to 40 ℃（104℉）at an ambient temperature of 20-25 ℃（68-77℉）in minutes; We recommend using it with the VIVOSUN thermostat controller and humidity dome

Customer ratings by feature

Easy to use
4.7 4.7
Water resistance
4.7 4.7
Heat output
4.2 4.2
Heat distribution
4.2 4.2
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  2. vivosun

    Who are we?

    VIVOSUN is the global leader for at-home growing technology & equipment. With over 10 years of demonstrated excellence in the development and production of growing tools, we have established ourselves as a trusted partner for every step in the growing process and for every level of grower.

  3. LED Light
    VIVOSUN Smart Grow System with 4X AeroLight 100W LED Grow Light with Integrated Circulation Fan
    100W LED Grow Light Set
    AeroZesh S6 Inline Duct Fan

    LED Grow Light

    Visit the Store

  4. grow tent
    clip fan
    inline fan
    heat mat

    Grow Tent System

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  5. garden cart
    COMPOSTER
    GROW BAG
    PRUNER

    Gardening

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  6. How did we get our start?

    Founded in California, VIVOSUN is a leading-manufacturer of indoor horticultural equipment.

    What makes our products unique?

    We will help you manage your plants with scientific precision and control all aspects of your grow with high-quality technology and tools including durable growing enclosures;Whether you grow indoors or out, we provide everything you need to grow the highest quality plants in the shortest amount of time.

    Why do we love what we do?

    Our mission is to empower growers at all levels and of all types to grow the best of what they love.

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Product Description

1
3
4
5

RECOMMENDED PRODUCTS

4

Thermostat Controller

2

Seedling Heat Mat

3

Seedling Heat Mat

4

Seedling Heat Mat Set

5

Seedling Heat Mat Set

6

Seedling Heat Mat, 2-Pack

Customer Reviews
4.5 out of 5 stars
5,875
4.6 out of 5 stars
1,112
3.9 out of 5 stars
221
4.4 out of 5 stars
234
4.5 out of 5 stars
12,926
4.7 out of 5 stars
7,426
Price
$18.99 $33.99 $21.99 $25.99 $54.36 $26.99
Power
Max: 1000W 105W 20W 6.5W 105W 20W
Features
Reliable Results UL & MET-Certified UL & MET-Certified UL & MET-Certified UL & MET-Certified UL & MET-Certified
Size
5.5" x 3" x 1.3" 48" x 20.75" 10" x 20.75" 3" x 20" 48" x 20.75" 10" x 20.75"
Color
Black & Green Black & Green Black & Green Black & Green Black & Green Black & Green
Applications
Keeps a Desired Temperature Indoor Gardening, Home Brewing Indoor Gardening, Home Brewing Indoor Gardening, Home Brewing Indoor Gardening, Home Brewing Indoor Gardening, Home Brewing
With Thermostat
/ No Yes Yes Yes No

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VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

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VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse
VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse
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VIVOHOME 20W Waterproof Seedling Heat Mats for Seed Starting Propagation and Increase Germination Success 10 inch x 20.75 inch Pack of 2 MET Safety Standard Certified
VIVOHOME 20W Waterproof Seedling Heat Mats for Seed Starting Propagation and Increase Germination Success 10 inch x 20.75 inch Pack of 2 MET Safety Standard Certified
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Price-20% $11.98
Typical: $14.99		$22.99-20% $23.99
Typical: $29.99		-24% $12.99
List: $16.99		-7% $26.99
Typical: $28.99		$26.99
Delivery
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Customer Ratings
4.64.6 out of 5 stars22,264
4.64.6 out of 5 stars1,942
4.64.6 out of 5 stars1,277
4.64.6 out of 5 stars3,959
4.54.5 out of 5 stars1,862
4.64.6 out of 5 stars3,717
Easy to use
4.7
4.6
4.6
4.6
4.5
4.7
Accuracy
4.0
4.5
4.1
4.2
4.0
4.3
Temperature Control
3.8
4.0
4.0
3.9
4.1
3.8
Heat output
4.2
4.7
4.3
—
—
4.1
Heat distribution
4.2
—
4.0
—
—
3.5
Sold By
VIVOSUN
BN-LINK
VIVOSUN
BN-LINK
BN-LINK
VIVOHOME
type
Herb
Vegetable
Herb
Vegetable
Vegetable
Sempervivum
weight
0.38 kilograms
—
500 grams
—
—
1.5 pounds
number of pieces
—
2
2
—
—
2
blooming period
Summer
Spring
Summer
Spring
Spring
Summer
expected height
—
—
20 inches
10 inches
—
10 inches
care instructions
water
damp cloth
water
damp cloth
water
water

Customer reviews

4.6 out of 5 stars
4.6 out of 5
22,264 global ratings

Customers say

Customers like the germination, performance, and versatility of the plant seed heat pad. For example, they say it's perfect for germinating, works well, and is versatile. Customers are also impressed with the ease of use, saying it'll just plug and play. That said, opinions are mixed on temperature control.

AI-generated from the text of customer reviews

1,031 customers mention881 positive150 negative

Customers like the performance of the heat mat. They say it works well, it stays nice and warm, and it works great for plant starts. Some mention that it works better with a towel or some kind of cloth underneath to help insulate it. Overall, most are satisfied with the quality and performance of this product.

"...Great product!" Read more

"Works as expected. Easy to use, stays nice and warm for starting seedlings indoors. Very happy with it." Read more

"...These had some seeds germinating within 3-5 days. Great product!" Read more

"...Most of the mat does get a consistent temp.It works well enough for what it is, and was big enough to get quite a few seedling/growth..." Read more

478 customers mention446 positive32 negative

Customers like the germination of the plant seed. They say it helps their plants germinate more quickly and is a good option for starting seeds. Some customers also mention that the pad is effective to get their seedlings going and makes growing faster and easier.

"Glad I purchased 2 of these. These had some seeds germinating within 3-5 days. Great product!" Read more

"...Almost all my seeds have sprouted. Great price for product value." Read more

"...Perfect for germination. The new batch germinated and had a inch long tap root in two days." Read more

"...signs of germination and within 48 hrs of using the heat mat they started to sprout. Money well spent and a great value...." Read more

266 customers mention220 positive46 negative

Customers like the quality of the plant seed. They say it looks well made, sturdy, and does the job. They also say the green pepper plants are very healthy looking and ready to be transplanted out into the garden. Customers also mention the heat pad is not too hot, and not too cool. They appreciate that it's simple and water resistant, and that it gives a boost to the plants.

"Works as expected. Easy to use, stays nice and warm for starting seedlings indoors. Very happy with it." Read more

"I planted seeds 3 weeks ago and this heating mat is still going strong. Almost all my seeds have sprouted. Great price for product value." Read more

"...It also does not get hot, just nice warm so there is no damage to the wood top(two shelf, low bookcase) I place it on near my window...." Read more

"Very durable, easy to use and set up. Works well." Read more

264 customers mention230 positive34 negative

Customers like the value of the product. They mention it's a decent product for the price, worth the purchase, and a cost effective heat mat for germinating seeds.

"...Almost all my seeds have sprouted. Great price for product value." Read more

"...Money well spent and a great value. Would recommend for any new beginner." Read more

"Cost effective seed starting mat." Read more

"...It was a good price also. My seeds seem to like it." Read more

123 customers mention106 positive17 negative

Customers like the size of the heat mat. For example, they mention it's perfect for setting up their grow light rack, great for several smaller pots, or a seedling container. Some say it fits a 72 seed pod tray perfectly, and that it fits nicely on one shelf. That said, they say it comes in more than one size.

"This prop mat is the size of a starter seed tray, which is exactly what I wanted...." Read more

"Been using these of various sizes for years. This size fits under 2 Aero garden planters or one standard-size seed tray." Read more

"Fits my 2 burner camp chef perfectly, also water beeds up and runs off when it rains.Waterproof" Read more

"The size is great for several smaller pots or a seedling container...." Read more

113 customers mention108 positive5 negative

Customers find the seedling heat mat easy to use. They say it's simple to set up, plug and play, and gets the job done without being too complicated. Customers also say the mat is durable and trouble free so far.

"Works as expected. Easy to use, stays nice and warm for starting seedlings indoors. Very happy with it." Read more

"Very durable, easy to use and set up. Works well." Read more

"Easy to use and store when not in use." Read more

"Easy to use. Just plug it in. 99% of seeds germinated within 2 weeks.Used solid bottom tray only of the seed starter kit. Growing Okra." Read more

56 customers mention56 positive0 negative

Customers find the heated mat great for indoor growing and germination areas. They say it's perfect for starting a vegetable garden indoors, and for pepper seedlings. Customers also say it helps bring plants back with the gentle heat. They mention it'd be a great addition to an indoor garden and a perfect option for indoor gardening.

"...Ive had it for 3 years now and its great for tomatoes, peppers, and other warm loving plants...." Read more

"Needed an extra pad for my plants and so far, so good. Plants are happy." Read more

"...My sourdough actually rose! The bread came out great and I use these most of the time, unless I really need to time my bread to rise for a very long..." Read more

"This is good for small seedling pots but not larger pots because the heat output is not that great...." Read more

963 customers mention536 positive427 negative

Customers are mixed about the temperature control of the seed starting kit. Some mention that it heats up pretty evenly, works well, and holds the temperature steady. Others say that it didn't heat up as much as they would have liked, there was not much change in the temperature, and the heat distribution is a little wonky.

"Works as expected. Easy to use, stays nice and warm for starting seedlings indoors. Very happy with it." Read more

"I know this item doesn’t have the temperature adjustment but so far I think it’s safe to say it’s been keeping in the temperature range as it..." Read more

"...The mat plugs into the thermostat, which has a probe that you put into one of your cells/cups and that is how it regulates temp...." Read more

"...It's been at least two weeks now and they have held the temp steady - I measured the soil temp, and I used temp gun on the mats to get a reading -..." Read more

Works great for seed starting
5 Stars
Works great for seed starting
I use this to start seeds indoors in zone 5b. Ive had it for 3 years now and its great for tomatoes, peppers, and other warm loving plants. I highly highly reccomend purchasing the thermostat with it because it will allow you to maintain constant preffered temps for your seedlings. The mat plugs into the thermostat, which has a probe that you put into one of your cells/cups and that is how it regulates temp. I have mine set to 80 and it does a great job of maintaining that temperature.
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Top reviews from the United States

KeatsFan3
5.0 out of 5 stars My Indoor Sprouts came up like Magic using this During Winter months!!
Reviewed in the United States on April 15, 2024
Size: 1-Pack 10"x20"Verified Purchase
I got this mat in order to be able to put my indoor sprouting trays on a warm surface, and to increase growing time that would normally be very slow (or would rot before growing!) during cloudy, winter months. I can now grow sprouts year around! Highly recommend! It also does not get hot, just nice warm so there is no damage to the wood top(two shelf, low bookcase) I place it on near my window.
Would definitely purchase again. Came properly packaged and quickly, too! Happy Customer!
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Lacey Dahlman Klopp
5.0 out of 5 stars Must need for starting seeds!
Reviewed in the United States on May 8, 2024
Size: 1-Pack 10"x20"Verified Purchase
Got this for starting my garden seeds. Helped my seeds germinate in 2 days instead of 5-7. Highly recommend this especially with the trays for seeds with a lid to help. Couldn't have done it without!
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MLavore
5.0 out of 5 stars Great for improving germination rates
Reviewed in the United States on May 8, 2024
Size: 1-Pack 10"x20"Verified Purchase
Massively improved the germination rate and speed of tomato and pepper seeds.

Controller is unnecessary in my experience of running in a room that is 70-75 degrees.
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MaryBeth Ochoa
4.0 out of 5 stars Do not put seeds directly on this to germinate.
Reviewed in the United States on May 2, 2024
Size: 1-Pack 10"x20"Verified Purchase
I assumed it got up to about 80°sF like most heat pads. But one day my seeds left a brown spot on the paper towel. The one that had a tap root, the tap root was all mushy. It cooked them.

I put a thermometer on the pad and found that it went up to as high as 102°sF. Ruined a about $50 worth of seeds.

I found that if I tack some zip locks to the wall and just have the bottoms of the bags with a little water touching the mats, it keeps the entire bag at about 75°F. Perfect for germination. The new batch germinated and had a inch long tap root in two days.
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Ahri
5.0 out of 5 stars Works great for seed starting
Reviewed in the United States on April 8, 2024
Size: 1-Pack 10"x20"Verified Purchase
I use this to start seeds indoors in zone 5b. Ive had it for 3 years now and its great for tomatoes, peppers, and other warm loving plants. I highly highly reccomend purchasing the thermostat with it because it will allow you to maintain constant preffered temps for your seedlings. The mat plugs into the thermostat, which has a probe that you put into one of your cells/cups and that is how it regulates temp. I have mine set to 80 and it does a great job of maintaining that temperature.
Customer image
Ahri
5.0 out of 5 stars Works great for seed starting
Reviewed in the United States on April 8, 2024
I use this to start seeds indoors in zone 5b. Ive had it for 3 years now and its great for tomatoes, peppers, and other warm loving plants. I highly highly reccomend purchasing the thermostat with it because it will allow you to maintain constant preffered temps for your seedlings. The mat plugs into the thermostat, which has a probe that you put into one of your cells/cups and that is how it regulates temp. I have mine set to 80 and it does a great job of maintaining that temperature.
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Customer image
Customer image
5 people found this helpful
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Megan N.
5.0 out of 5 stars Just buy it!
Reviewed in the United States on May 6, 2024
Size: 1-Pack 10"x20"Verified Purchase
I love basil :) and with this heating mat, my plants germinated in 3 days! It's perfect for getting your seedlings started.
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Meghan M
5.0 out of 5 stars Great Purchase/Value
Reviewed in the United States on April 26, 2024
Size: 1-Pack 10"x20"Verified Purchase
This mat well exceeded my expectations. Seeds hadn’t been showing signs of germination and within 48 hrs of using the heat mat they started to sprout. Money well spent and a great value. Would recommend for any new beginner.
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Kara
5.0 out of 5 stars Exactly what I needed!
Reviewed in the United States on April 23, 2024
Size: 1-Pack 10"x20"Verified Purchase
This mat is exactly as advertised! This is the second one I’ve bought and have had no issues. You just plug it in, that’s it! I use this in the spring time to get seeds started before transplanting in my garden. Highly recommended!
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Top reviews from other countries

Mel
5.0 out of 5 stars Slow to heat, will see how it performs over next few weeks
Reviewed in Canada on March 3, 2024
Size: 1-Pack 10"x20"Verified Purchase
Slow to heat, took almost 2 hours to actually feel the warmth coming off it, I thought I got a faulty unit at first. Seems to be working now, tho heating is not even. Hopefully it will continue to function.

UPDATE: working perfectly the last few weeks, heating well and evenly, not sure what happened at first but very happy with it now! Updated to 5 stars
3 people found this helpful
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Manitoba Medical Marijuana
5.0 out of 5 stars It’s a heat mat
Reviewed in Canada on March 29, 2024
Size: 1-Pack 10"x20"Verified Purchase
Got them on sale for a great price. They do work well but it is just a very simple device, it does make seeds germinate way faster though!
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Amazon Customer
5.0 out of 5 stars Great for sourdough
Reviewed in Canada on March 16, 2024
Size: 1-Pack 10"x20"Verified Purchase
This had been a game-changer for my sourdough starter as my kitchen is cold...proofing mats are $50 - $85...I lucked out and got this one on sale for $13.99 and it works like a charm. It doesn't have a temperature control but gets just warm enough to give my starter some warmth to help it along.
7 people found this helpful
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Caroline
4.0 out of 5 stars great for starting seeds indoors.
Reviewed in Canada on March 21, 2024
Size: 1-Pack 10"x20"Verified Purchase
works great. I have purchased other heat mats that had a heaver gage of plastic but overall it's fine.
One person found this helpful
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James Anderson
5.0 out of 5 stars Bottom heat for germination
Reviewed in Canada on April 7, 2024
Size: 1-Pack 10"x20"Verified Purchase
I bought this product to assist in the germination of seedlings. It works really well, and fits perfectly under a standard 1020 tray. It draws very little power and is simple to use. For less than $20, it was a bargain. Adding a clear dome to the tray further increases the warmth thereby increasing the speed of germination.
I'd buy it again.
One person found this helpful
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