






Bundle Sale丨2025 New Spider Farmer® 48”X20.75” Seedling Heat Mat With 4 Pack Seed Starting Trays for Indoor Gardening
$85.99 Original price was: $85.99.$71.99Current price is: $71.99.
Your seeds will only germinate if provided with the right environment. Seeds need to be warmer than room temperature (75-80°F) to sprout, so using a heat mat along with Seed Starter Trays can greatly increase your germination rate.
Spider Farmer’s Seedling Heat Mat warms the root area of Seed Starter Trays by 50-77°F above the ambient air temperature, significantly enhancing the germination process and improving the success rate of seedlings and cuttings.
Package contents:
1x 48”X20.75” Seedling Heat Mat
4x Seed Starter Trays
Fast Shipping
Same day delivery, 3-8 business days for the product to reach you.
After-Sale Service
Up to 5 years warranty. Best customer service.
The Cyber Monday sale will end on December 8nd.
Out of stock
1 review for Bundle Sale丨2025 New Spider Farmer® 48”X20.75” Seedling Heat Mat With 4 Pack Seed Starting Trays for Indoor Gardening
Sorry, no reviews match your current selections
Q & A
Ask a question
Your question will be answered by a store representative or other customers.
Thank you for the question!
Your question has been received and will be answered soon. Please do not submit the same question again.
Error
An error occurred when saving your question. Please report it to the website administrator. Additional information:
Add an answer
Thank you for the answer!
Your answer has been received and will be published soon. Please do not submit the same answer again.
Error
An error occurred when saving your answer. Please report it to the website administrator. Additional information:
1. Customer Satisfaction and Quality Products
Spider Farmer is a reputable brand in indoor and hydroponic gardening. Its products are widely used by farmers, hobbyists, and professionals. The company's mission is to help people grow healthy and vibrant plants in any environment. Spider Farmer continuously works to enhance and expand its product range to meet the evolving needs of its customers.
2. Best Prices Guarantee
Spider Farmer is committed to providing the best prices online for all our products. When you shop with us, rest assured that you are receiving the best online prices.
3.Enjoy Free and Discreet Shipping Across the USA
Our company is pleased to provide complimentary shipping to nearly every state in the USA, utilizing trusted couriers such as FedEx, UPS, USPS, and other reliable shipping providers. We understand the importance of privacy and will ensure that your package arrives discreetly.
4. Commitment to Customer Care
At Spider Farmer, we take responsibility for ensuring that our customers are always satisfied with their purchase. If anything is wrong, we guarantee to make it right, and you can reach us via call, email or message, and we will respond in about 1 business day or less.
5.Hassle-Free Returns and Refunds
In case your purchase does not meet your standards, we offer a hassle-free 30-day refund and return policy. Refer to our full return policy for details.
6.Dependable Global Shipping
We offer international shipping for all our products via FedEx, UPS, USPS, DHL, and other reputable couriers. To obtain a shipping quote, please proceed to the checkout process or get in touch with our customer service team for further assistance.
7. Buy Now, Pay Later with PayPal
Time and flexibility are on your side. Get what you want and break the payments up over weeks or even months.
8. Secure Payment Methods
We accept major credit and debit cards, PayPal, and bank transfers, and all card payments are processed through our encrypted SSL security processing system, ensuring that your identity is always protected.
Spider Farmer is dedicated to providing high-quality products and exceptional customer service to ensure a happy growing experience for all our customers.
Related products
2025 New Spider Farmer® 48”X20.75” Seedling Heat Mat and Digital Thermostat for Seed Starting Propagation and Increase Germination
New Year Sale | 3-Pack Spider Farmer® SF600 Vegetable Led Grow Lights
Pre-order丨2026 Spider Farmer Grow Tent Heater – Smart APP Temperature Control,10-Level PTC Heating,Day/Night Auto Settings,24H Timer, Safe Indoor Plant Heater for Grow Rooms
Upgraded Grow Tent Heater with App Control
- Smart App Control & Automation:Connects seamlessly with the Heater and GGS Series via the app for remote control, real-time monitoring, and automated temperature management.
- Precise & Stable Temperature Control:Advanced PTC plates and PWM technology provide 10 adjustable heat levels with custom Day/Night modes for stable, efficient temperature control.
- Natural Day–Night Temperature Simulation:Automatically mimics natural temperature fluctuations, supporting healthier plant metabolism, stronger growth, and improved yields—especially critical during flowering.
- Grow-Safe Design with Advanced Protection:High-grade flame-retardant materials exceeding V0 and meeting 5VA standards, built-in hardware and overheat protection, ensuring safe and stable operation in grow tents and indoor environments.
- Optimized Airflow for Plant Health:Includes a 160cm adjustable hose for even warm air distribution, avoiding direct airflow on plants and supporting healthy growth.
- Drying-Stage Support:Works with dehumidifiers to provide controlled heat and airflow during plant-drying, ensuring consistent moisture reduction while preserving quality.
Pre-order丨Spider Farmer® Glow80 80W LED Grow Light With 4 Pack Seed Starting Trays with 12 Cell Seed Starter Tray, and 10” X 20.75” Seedling Heat Mat
- Ideal for Seedling Growth:The Glow80 Full Spectrum LED Grow Light is the perfect choice for cloning, vegetable propagation, and indoor tropical plants, offering broad coverage.
- High Efficiency:Each light operates at 40W, providing ample light for plant growth while conserving energy.
- Full Spectrum: These grow lights deliver an optimal full-spectrum light (5000K) for comprehensive plant care. They maximize PAR output, improve germination rates, promote growth, extend flowering periods, and enhance yields.
- Compatible with Heating Mats:Our heating mat is made of durable, high-quality PVC and PET materials with a 5-layer structure, offering a temperature range of 32 to 110°F.For the best results, pair the seedling tray with our heating mat.
- Transparent Dome & Adjustable Vents:The seedling tray includes a clear dome for easy monitoring without disturbing humidity levels, along with four adjustable vents for optimal airflow control.
Sale | 2026 New Version Spider Farmer® 5L Smart Cool Mist Humidifier with Temp & Humidity Sensor Smart APP Control Extendable Targeting Hose for Plants Indoor Grow Tent Room
Sale | Spider Farmer® SF600 Vegetable Led Grow Lights
Spider Farmer 4-Pack Gravity-Fed Silent Self-Watering System Kits for Indoor Grow Tents & Greenhouses
- 𝐇𝐀𝐒𝐒𝐋𝐄-𝐅𝐑𝐄𝐄 𝐀𝐔𝐓𝐎 𝐖𝐀𝐓𝐄𝐑𝐈𝐍𝐆 𝐒𝐘𝐒𝐓𝐄𝐌: Spider Farmer self-watering system uses gravity to automatically feed water from a generous 13-gallon reservoir directly to each pot base, ensures your plants stay perfectly hydrated—no electricity needed, no daily checks required. Say goodbye to manual watering with this system that keeps your plants hydrated effortlessly
- 𝐏𝐑𝐄𝐂𝐈𝐒𝐄 𝐌𝐎𝐈𝐒𝐓𝐔𝐑𝐄 𝐂𝐎𝐍𝐓𝐑𝐎𝐋: Using wick lines, plants absorb only the water they need, ensuring a balanced watering system that prevents over or under-watering. This self-watering system is designed to keep your plants healthy with the ideal moisture levels
- 𝐋𝐎𝐍𝐆-𝐋𝐀𝐒𝐓𝐈𝐍𝐆 𝐖𝐀𝐓𝐄𝐑 𝐒𝐔𝐏𝐏𝐋𝐘: Fill the 13-gallon reservoir once, and enjoy up to 2 weeks of automatic watering! This 4-pack self-watering system will keep your plants happy and lush, even when you’re on vacation
- 𝐀𝐃𝐉𝐔𝐒𝐓𝐀𝐁𝐋𝐄 𝐖𝐈𝐂𝐊 𝐋𝐈𝐍𝐄 𝐏𝐎𝐒𝐈𝐓𝐈𝐎𝐍𝐒: Designed to fit your growing needs, each fabric pot base features three sets of wick positions to fit different pot sizes. You can seamlessly switch between 1-2, 3, and 5-7 gallon grow bags, providing a versatile self-watering pot base for various plant needs and pot sizes
- 𝐀𝐋𝐋-𝐈𝐍-𝐎𝐍𝐄 𝐒𝐄𝐋𝐅-𝐖𝐀𝐓𝐄𝐑𝐈𝐍𝐆 𝐊𝐈𝐓: Get everything you need in one powerful package: four self-watering bases, a 13-gallon water reservoir, five 5-gallon grow bags, wick lines, shut-off value box and water tubes. Just set it up and watch your plants thrive!
- 𝐈𝐃𝐄𝐀𝐋 𝐅𝐎𝐑 𝟒𝐱𝟒 & 𝟓𝐱𝟓𝐅𝐓 𝐆𝐑𝐎𝐖 𝐓𝐄𝐍𝐓𝐒: Each base features a 15.6-inch diameter, perfectly designed to fit 4x4 and 5x5ft grow tents. The Spider Farmer 4-Pot Self-Watering System ensures efficient hydration for your plants, reducing manual watering and optimizing growth. Grow smarter, not harder!
- Can support 4L of water per plant per week.
- Keeps 4 plants watered for 3 weeks
- Silent hydration for your indoor garden — keeps your plants nourished without disturbing your peace.
- Tips:
-
- For best results, lay the Self-Watering Fabric Pot Base, Shut-off Valve Box, and tubes flat on the ground, and always keep the folding bucket filled with water
- It is recommended to clean the basin every two weeks to prevent root clogging
- Recommended tent sizes: 120cm x 120cm/ 150cm x 150cm Grow Tent
- Self-watering pots work best once the roots are well-developed. Seedlings have shallow roots that may not reach the moist soil, so it's best to wait until they grow longer and stronger.
- DIY Self-Watering System:Customize your watering needs by adjusting the number of wicks—more wicks, more water. Simple and flexible for every plant.
- Package contents: 4x Self-watering Fabric Pot Base 1x 50L Folding Bucket 5 X 5 Gallon Grow Bag 1 X Silicone Tube (4M) 1X Shut-Off Valve Box 1X User Manual (Check More)

I purchased this growing set to start some seeds before the last cold snap so they’d be ready for spring. In just a couple of days I had plenty of seedlings to plant. Removing the dirt plugs was simple, the plastic is flexible enough and none of the pods cracked this first use.