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iPower GLHTMTCTRLHTMTL 48″ x 20″ Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black 48″ x 20″ & Controller

(11 customer reviews)

Variety of uses: perfect for indoor gardening, for better plant growth and flower seed germination, spring seedling starts and cutting propagation
Uniform and stable temperature: seedling heat mat is the new stronger heating wire and thicker multi-layer construction, can warm root area 10-20°F over ambient temperature. Thermostat provides constant temperature control for your various environments
Temperature control: digital thermostat provides temperature control between 40°F – 108°F (5-42°C), Choice of Celsius or Fahrenheit readout. The sensor probe delivers accurate readings in both cool and warm environments
Package include: 1 – Heat Mat (48″x 20″ Watt: 100W) / 1 – Digital Thermostat (120 Volts / 8.3 Amps Max / 60 HZ / 1000 Watts) Easy plug-in operation with LED illuminated indicator lights & three-prong grounded plug
Good service: if you are not completely satisfied with our product or receive a defective product we are happy to find an acceptable solution. Please do not hesitate to contact us with any questions or concerns

$61.63

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SKU: B01IDQDCNY Category:

The iPower seedling heat mat will increase the success of seedlings and cuttings, perfect for seeding germination, homebrewing, and pet enclosures terrariums, such as reptile, rodent and arachnid.

The new and improved iPower digital heat mat controller is digital for greater accuracy. It provides constant customized temp seed germination, reptiles and brewing.

Feature

* 48″ x 20″ heat mat fits under one common seed flat
* Warms root area 10-20°F over ambient temperature to improve germination
* Provides constant temperature to improve vegetable, plant, herb, and flower seed germination
* Waterproof design allows you to scrub and easier cleaning
* Durable internal insulated wiring for enhanced safety
* Heat mat thermostat controls temperature in colder or warmer environments
* Provides constant optimum temperatures for specific crops
* Digital thermostat provides temperature control between 40°F-108°F (5-42°C), temperature display range: 32 -140°F
* Specs: 120 Volts / 8.3 Max Amps / 60 HZ / 1000 Watts
* Easy plug-in operation with LED illuminated indicator lights & three-prong grounded plug
* ETL certification is proof that a product complies with widely-accepted safety standards
* 1 Year Manufacturer Warranty

Seeding Heat Mat Setup Instructions

* Place sensor into the rooting area about 1″- 1-1/2″
* Position thermostat up and away from seedling trays and stray water. Do not submerge
* Plug heat mat into thermostat
* Plug in thermostat power cord and set maximum desired temperature

Heat mat thermostat can also be used to control the temperature of many other appliances as long as they don’t exceed the maximum electrical specifications stated above. Simply place the sensors in the area where the temperature needs to be controlled plug the appliance into thermostat, and set the desired temperature.

Abnormal Warning

* if thermostat shows “E1”, it means that the actual temperature is lower than 0 degree Celsius or 32.0 degrees Fahrenheit
* if thermostat shows “E2”, it means that the actual temperature is higher than 60.0 degrees Celsius or 108.0 degrees Fahrenheit
* if thermostat shows “E3”, it means that the temperature sensor is not working properly. Please re-install the sensor

About iPower:

* iPower is one of the leading professional hydroponics suppliers over a decade.
* Our goal is to put our best products in every home & garden where needed.
* We only provide the premium quality components and reliable service.

Specification: iPower GLHTMTCTRLHTMTL 48″ x 20″ Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black 48″ x 20″ & Controller

Weight 4.2 lbs
Dimensions 6 × 21.4 × 12 in

11 reviews for iPower GLHTMTCTRLHTMTL 48″ x 20″ Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black 48″ x 20″ & Controller

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  1. Georgia Wilder

    There are a couple of things that the information does not say. This is for seed starting and germination. Imagine my surprise when I saw this information printed on the mat. Place your heat mat away from water and keep out of direct sunlight. …be sure to water your starter mix prior to placing on the mat. Never leave your heat mat unattended in the household. Keep in clear sight. Never use in combination with grow light or in direct sun. I have used. Lot of seed heating mats and none of them could not get wet. And ever leave unattended. Really? Worthless. Simply worthless. Doesn’t deserve anything except a return.Read more

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  2. dmd

    I have 2 of these heat mats with temp control and they are super. First one I bought is 20 x 20 and is 3 years old. Have had no problems or complaints with the product. Second one I got this year and it is 48 x 20 and it is working great. I have put 249 assorted garden plants in 3x3x3 pots this year and will be starting about 50 more in a couple of weeks. These combo mats are just amazing how good they work. Also they are very well constructed and will last many years. I feel that this brand of heating mat and temp controller are best that I have used. I am an advanced gardener with 39 years experience and have raised all my plants from seed. I highly recommend this product. DMDRead more

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  3. CatMonkey

    This heat mat worked great for the couple of months that I used it in 2020. Tons of heat, very responsive to the thermostat, and my tomato seedlings loved the warmth. At the beginning of February this year, I got everything set up and put my seeds on the heat mat under some lights. It didn’t seem as warm as I remembered, but I thought that must have just been my imagination. After a month of use, I realized that it was barely warmer than room temperature. So I contacted iPower customer service on February 25th. I let them know that I purchased the item on January 29th 2020, and that I was experiencing problems. ——- Feb 26, 2021, 9:33 MST Thank you for contacting us. As mentioned in the previous email correspondence the item was purchased on last year 1/29 This item was out of warranty as the item has one year warranty. We appreciate your patience and understanding in the matter ——– Feb 26, 2021, 14:34 MST Thank you for your response. I must admit that I’m disappointed that despite the warranty being only for one year, that the company doesn’t seem to care that their product failed at 13 months. Please escalate this to the next customer service level ——- Feb 26, 2021, 14:36 MST I’ll take this an feedback and I’ll forward this information to our service team. Thank you once again for bringing this issue to our notice. We appreciate your valuable feedback on our products. Thank you for your patience and understanding in the matter. ———- Mar 3, 2021, 13:14 MST Is there any update on this from the next customer service level? ——- Mar 3, 2021, 14:18 MST Upon checking this with my resources your item is out of warranty as the item has one year warranty we were unable to create any replacement from our end. We appreciate your patience and understanding in the matter. Mar 3, 2021, 14:19 MST We have already shared your feedback to our internal team regarding this issue and make sure that this issue will be resolved with the future orders. We appreciate your patience and understanding in the matter. ———– Mar 3, 2021, 14:34 MST I’d like to have this forwarded to a manager. ———– Mar 3, 2021, 14:36 MST We have already escalated this information to our internal technical team. —– Mar 3, 2021, 14:41 MST No, I want this forwarded to someone on the support team. It’s absolutely absurd that this item didn’t even last for 13 months. —– Mar 3, 2021, 14:45 MST As mentioned in the previous email correspondence this item is out of warranty we were unable to create any replacement for the items with out of warranty period. —— Tl;dr – item broke less than 13 months after purchase. Contacted iPower and they said, “tough luck”Read more

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  4. Kindle Customer

    I love these heating mats! I’m a houseplant addict, and also start seeds for an outdoor garden on one. I first purchased the smaller version of this a while back, and loved it so much that I then bought a big one. This is my second of the large ones so I own a total of three including the little one. I love that it comes with the thermostat, and that way you know that you’re not going to risk burning your plants or seedlings. The thermostat works perfectly. It first arrives rolled up rather tightly, and might seem difficult to spread out. Here’s a little tip that I learned: When you first take it out of the package, plug it in and get the thermostat programmed. Lie the mat down on the floor or a table. Leave it alone for an hour or two, and once it’s heated up it will be much more pliable. Then you can spread it out the way you want it. I did it when it was just a bit more pliable, and put a few heavy items on the corners to hold it in place. Once it’s warm and flat, it will retain its shape just fine!Read more

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  5. Fyrcat

    I purchased a huge crate at Costco to make a bread/dough proofing box. I bought this to line it and warm it. Perhaps overkill as it is large, but my bread is rising better than ever. I love the fact that it has the temperature controller so when it is cold in my house I can still provide the perfect temp for my dough. In addition, this is large enough to start my peppers and tomatoes from the seeds I save every year. The price can’t be beat, and will be used Year round…Read more

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  6. Stephanie Lambert

    It is not submersible – I felt like that information at time of purchase wasn’t very clear. In fact, not a lot is clear. Doesn’t get very warm, doesn’t stay warm or seem to keep the temp stable or water warm for the seedlings — even under a thin tray. I’m not impressed. I probably wont buy again. I did try a couple of configurations and do a lot of research to see how I could improve both my technique as well as the product results. I feel like a lot of time was spent for something that should’ve been simpler. There were warnings about not leaving it on unattended, and I was like, “Do they expect me to sit in a chair and wait for the seeds to grow?” I found another way without this and will set it aside for when I find a use for it.Read more

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  7. Amazon Customer

    I liked that the product was a easy set up. However the temperature control isn’t the best, I did an analysis assessment on this product this particular product does hold good temperature. I did a comparison between the I power GLHTMTSX22PACK DURABLE and VIVOSUN 2pack durable waterproof. I placed the same amount of seedlings on the different seedling heat mat. The seedling on Vivosun gave better results 2 days germinate of the seedling. The seedling on the iPower seedling mats has take 5 days to germinate.Read more

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  8. Amazon Customer

    Took a long time to arrive; tempurature gauge doesnt seem accurate at all, in fact doesnt work. Basically on or off because heat setting, and temperature up or down do not work. The mat did enable fast germination, but for seed that needs specific temperatures (one of the main reasons I bought it), forget it. Didn’t return because it was such a stupid wait to get the thing.Read more

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  9. Tara Comerford

    Works exceptionally well. Perfect temperature. Excellent quality and value for your money. Will be purchasing more in the future.Read more

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  10. Syledent

    There is lots of air bubble despite the fact that i straighten the mat after unroll it and put on a flat surface while it is warmed up. The manufacturer can do a better job of laminating the resistance coil between 2 polyvinyl sheet.Read more

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  11. Amazon Customer

    It will not heat past 68°F for me and actually likes to stay at 62°F. I need it to go to 80°F and YES I have properly set it. It just will not heat up. I purchased 2 and both are like this. I cannot find the contact seller button anywhere and need help trouble shooting!!!Read more

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    iPower GLHTMTCTRLHTMTL 48″ x 20″ Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black 48″ x 20″ & Controller
    iPower GLHTMTCTRLHTMTL 48″ x 20″ Warm Hydroponic Seedling Heat Mat and Digital Thermostat Control Combo Set for Plant Germination, Black 48″ x 20″ & Controller

    $61.63

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