Mars Hydro Seedling Heat Mat with Digital Thermostat. A precision-engineered tool that gives your seeds the VIP treatment they deserve from the very first root twitch.

• Digital Thermostat Control
  
• Large 48" x 20.75" Size 
• Free UK Delivery
• IP67 Waterproof
• Achieve 100% Propagation
• Foldable Design
• Super Heavy Duty
• For Premium Soil Conditions

The Underground Advantage Every Grower Needs.

The early stages of plant life are delicate, dramatic, and downright fussy. One minute, your seedlings are reaching for the light, and the next, they’re shivering themselves into a slow and sorrowful demise. Enter the Mars Hydro Seedling Heat Mat with Digital Thermostat – 48" x 20.75", a game-changing bit of kit designed not just by engineers in lab coats, but by actual growers who understand that seedlings need more than water and hope - they need controlled, consistent warmth.

This isn’t just a glorified electric blanket for your plants. It’s a precision-engineered tool that gives your seeds the VIP treatment they deserve from the very first root twitch.

Serious Heat for Serious Growth.

At the heart of this thing is a 105-watt carbon fibre heating system, boasting a frankly ridiculous 97% heat conversion efficiency. That means almost every watt you plug into the wall goes directly into gently warming your grow tray - no wasted energy, no burnt edges, no guesswork. It can raise the soil temperature by up to 48°F (about 27°C) above ambient levels, which, in case you didn’t know, is the perfect temperature bump to turn your hesitant seeds into sprightly little green machines.

This isn't random warmth. It’s stable, even, and regulated with a level of finesse usually reserved for high-end scientific gear.

Digital Thermostat. Perfect Calibration. 

The Mars Hydro Seedling Heat Mat with Digital Thermostat comes bundled with a digital thermostat system that makes manual temperature fiddling a thing of the past. With a high-conductivity metal probe and a chip that processes data faster than your seedlings can sprout, this thermostat monitors soil temperature in real-time and cuts off the power the instant your set temperature is reached.

Control range? A very precise 40–108°F (5–42°C). Display range? An even broader 32–140°F (0–60°C). This means you’re not only getting heat - you’re getting total control. Your plants won’t just survive; they’ll thrive in a perfectly calibrated microclimate.

There’s also a smart memory function, so if you have a power cut - or you’ve unplugged the whole grow room to plug in the kettle - it’ll remember the last target temperature and pick up exactly where it left off.

Built Like A Tank. But Foldable.

The Mars Hydro Seedling Heat Mat with Digital Thermostat features two insulating outer layers that are both IP67 waterproof and completely safe to wipe down - yes, even with those nasty sticky grow room spills.

The mat is flexible but sturdy, designed to fit snugly beneath standard propagation trays. It won’t curl, fray, or dissolve under heat. Instead, it sits there calmly doing its job like a trusted underling, quietly revolutionising your seed-starting process.

More Than Just Plants. 

Although it’s obviously designed for indoor growers, this kit is also suitable for other delicate applications - like reptile enclosures, fermentation setups, or anything else that needs consistent, gentle heat. It’s UL and FCC certified, meaning it meets rigorous electrical safety standards, and Mars Hydro even throws in a one-year warranty for good measure.

Give Your Plants The Best Start In Life. 

If you’re still crossing your fingers and hoping your seeds sprout, you’re doing it wrong. The Mars Hydro Seedling Heat Mat with Digital Thermostat – 48" x 20.75" takes the element of chance out of propagation and replaces it with data, control, and reliability. It’s the difference between “maybe” and “definitely.”

And when you’re growing indoors, where environmental control is everything, that kind of certainty is worth its weight in compost.

So if you're ready to upgrade from ‘mildly disappointing’ germination rates to vigorous, high-performance plant starts, this is your ticket. It’s not just a heat mat - it’s a scholarship to Eton for the very best start your plants could possibly have.