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
  
• Stealthy 10" x 20.75" Size 
• Free UK Delivery
• IP67 Waterproof
• Achieve 100% Propagation
• Foldable Design
• Super Heavy Duty
• For Premium Soil Conditions

Small But Mighty in the Grow Room.

Seeds don’t care about your schedule. They don’t care that you’ve lovingly placed them in hand-packed soil or that you whispered sweet nothings as you watered them. No, what they care about - what they demand - is warmth. Not too hot. Not too cold. Just right. Enter the Mars Hydro Seedling Heat Mat with Digital Thermostat, a compact but powerful bit of kit designed to turn your indoor growing setup into a precision-controlled nursery of verdant success.

Let’s dive into why this little marvel should be the foundation of your grow operation, whether you’ve got a full tent setup or just a windowsill and a dream.

Serious Heat for Serious Growth.

At just 10 inches by 20.75 inches, the Mars Hydro Seedling Heat Mat with Digital Thermostat is tailor-made for smaller propagation trays or tight spaces. But don’t let its size fool you - this heat mat punches well above its weight.

With a 20-watt output and high-efficiency carbon fibre heating, this mat delivers consistent, even warmth across its surface. In fact, it can raise the soil temperature by up to 48°F (27°C) above ambient levels, which is right in the sweet spot for rapid germination and healthy root development. The result? Your seeds spring into life like they’ve been given a motivational speech and a protein shake.

No overheating. No Dry Soil, No Drama. 

The Mars Hydro Seedling Heat Mat with Digital Thermostat features a metal thermal conductivity probe and a high-speed processing chip that work together to precisely regulate temperature in real-time. As soon as your target temperature is hit, the system shuts off - no overheating, no dry soil, no drama.

The control range spans from 40°F to 108°F (5°C to 42°C), while the display range stretches from 32°F to 140°F (0°C to 60°C). That means you’ve got full visibility and control, right down to the degree. Whether you're raising herbs, vegetables, or exotic ornamentals, you’re cultivating in confidence.

There’s also a smart memory function, so if the power goes out - or your over-enthusiastic cat unplugs the grow room - you won’t have to start from scratch. The mat remembers your last settings and gets straight back to work.

Built Like A Tank. But Foldable.

The Mars Hydro Seedling Heat Mat with Digital Thermostat is constructed with two outer insulating layers that are IP67 waterproof-rated, meaning you can clean it without a worry. Soil spill? No problem. Overzealous watering? Bring it on. This mat was made to live in the dirt and still come out looking pristine.

Despite its toughness, it weighs in at just 0.76kg, making it ultra-portable and easy to store when not in use. Plug it into a standard 110–130VAC outlet and you’re ready to roll.

It’s also UL, FCC, CE, and UKCA certified, which is a long-winded way of saying: yes, it’s safe, and yes, it’s built to last. With a 30,000-hour lifespan and a one-year warranty, you’re in extremely capable hands.

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. 

So here’s the bottom line: whether you’re a hobby grower or a budding horticultural overlord, you need this mat. The Mars Hydro Seedling Heat Mat with Digital Thermostat – 10" x 20.75" brings scientific accuracy, high-quality construction, and exceptional usability to your grow room.

It doesn’t just warm the soil - it warms it precisely, efficiently and intelligently. It helps create the ideal root zone environment, which is critical in those make-or-break early days of plant development. And it does all this in a sleek, compact form factor that fits just about anywhere.

From tomatoes to houseplants, from the seasoned veteran to the wide-eyed newbie, everyone benefits from a bit of thermal assistance. With this mat, Mars Hydro once again proves it understands what growers truly need: reliability, control, and results.

In short, this isn’t just a heat mat. It’s a launchpad for lush, vigorous growth. Get one. Your seeds will thank you.