As the leaves turn and the nights grow longer, the air is filled with the thrill of Halloween and the promise of Black Friday savings. At Spider Farmer, we’re gearing up for a season of spooky fun and incredible deals on our top-tier products. Whether you’re a seasoned grower or just a starter, our LED grow lights and environmental control devices can ensure a bountiful harvest all year round.
Halloween Big Sale & Black Friday Warm-Up: Oct 15 - Oct 31
While participating in the exciting lottery and enjoying the Halloween discounts, you can also get an early taste of the Black Friday bestseller prices. This is the best time to lock in your favorite products and make early plans for your holiday planting. We aim to ensure you have a good preparation for a successful and bountiful season.
An Overview of Promotional Products
Spider Farmer’s GGS Grow Room Controller Series offers comprehensive control over the environment of plant growth. Based on a smart app and an automated system, it can remotely and smartly control the LED grow lights, in-line fans, clip fans, dehumidifiers, humidifiers, and plant heaters, ensuring precise management of the key environmental factors, such as temp & humidity, grow light PPFD, VPD, CO2, soil, and more.
Black Friday Price Guarantee | 2025 Spider Farmer Genius Grow System SensorPro Kits with CO2 Sensor and PAR Meter, Ideal for Optimizing Grow Tents, Grow Rooms
Precision Sensors for Optimal Plant Growth
Designed for growers seeking maximum growth performance, ideal for CO₂ supplementation and high PPFD lighting. Equipped with a Temperature & Humidity PPFD Sensor, which replaces the temperature and humidity light(day/night) sensor in GGS Controller Kits and AC5/AC10 Power Strip Kits.
CO₂ Sensor for Enhanced Growth Efficiency
Studies show that CO₂ supplementation can increase plant growth rates by 20-100% and boost crop yields by 20-30%. Combined with high PPFD lighting, CO₂ further enhances photosynthesis, leading to faster, healthier plant development.
PPFD Monitoring for Perfect Light Placement
New to growing and not sure how high to hang your lights? The Sensor Pro kit includes a 4-in-1 sensor that tracks temperature, humidity, VPD, and PPFD to help you find the right light placement and shows you real-time PPFD levels. It also supports PPFD dimming—just set your target PPFD, and the lights will automatically adjust brightness to deliver the ideal lighting for plant growth:
- Seedling Stage: 100-300
- Vegetative Stage: 400-600
- Flowering Stage: 800-1000
Designed for GGS Systems
Easily replaces the temperature and humidity light(day/night) sensor in GGS Controller Kits and AC5/AC10 Power Strip Kits for seamless integration and reliable performance.
Compatible Only with GGS Devices
Not compatible with controllers or accessories from other brands. Use exclusively with GGS systems for the best results.
Black Friday Price Guarantee | New Updated Version 2025 Spider Farmer GGS Grow Tent Climate Controller Kits: Temperature, Humidity, VPD Monitoring, Scheduling, Data Tracking, Bluetooth & WiFi for Optimized Climate Management
Intelligent Environmental Controller: The GGS Controller seamlessly integrates with temperature, humidity, and light sensors to automate the management of essential growing equipment. Using the Spider Farmer App, you can monitor and control your grow tent from anywhere, anytime.
GGS Temp Humid Light Sensor: Specifically designed to monitor environmental temperature and humidity, this sensor also tracks day/night cycles in the grow tent. (Note: The light sensor for day/night detection is located on the side—please ensure it’s unobstructed for accurate readings.)
Compatible with Multiple Spider Farmer Grow Lights: The GGS Controller works with SF Series (excluding SF1000D, SF300, and SF600), G Series, and SE Series LED grow lights. You can set on/off schedules, adjust brightness, and simulate sunrise and sunset transitions, such as gradually increasing brightness from 8:00-8:30 AM and dimming from 7:30-8:00 PM. (Supports Bluetooth & Wi-Fi remote control.)
Smart Fan & Inline Fan Control: Spider Farmer Clip Fans & Inline Fans with RJ12 Ports: Manage on/off scheduling, standby speed, and oscillation angle with precision. You can also simulate natural wind. Fans without RJ12 Ports: These can be controlled through the GGS AC5 or GGS AC10 Power Strips, ensuring all your equipment is integrated into the smart system.
If you need to measure PPFD and CO2, you can also purchase our CO2 Meter and Par Meter Set.
The kit includes:- 1 × GGS controller (with power supply)
- 1 × GGS temperature and humidity sensor
- 1 × GGS light adapter (for connecting the lights to the GGS System)
- 1 × GGS Pro adapter (10 ports for expanding connections)
- 4 × 2.5m RJ12 cables (for connecting devices)
- 2 × 0.25m RJ12 cable
- 4 x hook and loop straps (for organizing cables)
Black Friday Price Guarantee | Updated New Version | 2025 Spider Farmer GGS AC5 Power Strip with 5 Outlets for Grow Tent Climate Control, Featuring Temperature, Humidity, VPD Monitoring, Scheduling, Historical Data Tracking, Bluetooth & WiFi Connectivity
- 1 x GGS AC5 Power Strip
- 1 xGGS Temperature, humidity, and light sensor
- 3-in-1 soil sensor 1pc
- GGS Light adapter 1pc (for connecting the lights to the GGS System)
- 2.5m RJ12 cables 4pcs (for connecting devices)
- 0.25m RJ12 cables 2pcs
- 1 x GGS Pro Adapter (for expanding device connections)
- 6 x hook and loop straps (for organizing cables)
Black Friday Price Guarantee | 2025 Spider Farmer GGS AC10 Power Strip with 10 Outlets for Grow Tent Climate Control, Featuring Temperature, Humidity, VPD Monitoring, Scheduling, Historical Data Tracking, Bluetooth & WiFi Connectivity
- 1 x GGS AC10 Power Strip
- 1 x temperature, humidity, and light sensor
- 3-in-1 soil sensor 1pc
- 2-in-1 adapter 1pc (for connecting the lights to the GGS System)
- 2.5m RJ12 cables 7pcs (for connecting devices)
- 0.25m RJ12 cables 2pcs (for connecting between telephone line splitters)
- 3 x RJ12 telephone line splitters (for expanding device connections)
- 6 x hook and loop straps (for organizing cables)
2025 New Spider Farmer® 32 Pint Dehumidifier – Smart Control with RJ12 Cable & Drain Hose, Ideal for Grow Tent & Grow Room
Why Choose Our Compressor Dehumidifier Over Cheaper Options?
You may find dehumidifiers on the market priced at just a few dozen dollars, but most of those use semiconductor technology. Semiconductor dehumidifiers work by cooling air with a thermoelectric effect, but they are far less effective, especially in colder weather. Our dehumidifier uses a high-quality compressor, which comes at a higher cost but delivers far superior performance.
Why a Compressor Dehumidifier?
Semiconductor dehumidifiers simply can’t get the job done—especially in winter, as they struggle to operate efficiently in low temperatures. In contrast, compressor dehumidifiers are widely used in commercial settings for their effectiveness. In fact, our unit removes moisture up to 39 times faster than semiconductor models. That means faster results and lower energy consumption, saving you both time and money on electricity bills.
How Does It Work?
Our dehumidifier pulls in humid air, removes the moisture, and then releases the dry air back into your tent or space. The collected moisture can either be stored in the built-in water tank or drained continuously using the included hose. According to our tests, it may increase the temperature inside your tent by 1-2°C (around 2-4°F), a small trade-off for such efficient moisture removal.
Ideal for Summer Humidity Control
Summer humidity can be challenging, especially in grow tents where moisture can quickly build up, affecting both your plants' health and the growing conditions. This dehumidifier is designed to handle the increased humidity levels typical of summer, ensuring your environment remains stable and conducive to plant growth. With its ability to regulate humidity, you’ll avoid problems like mold and mildew, which thrive in high-moisture conditions.
User-Centered Design for Grow Tents
We understand our users’ needs, which is why this dehumidifier is specifically designed for tent environments. The dry air outlet pipe is tailored to fit seamlessly with tents, ensuring optimal airflow. It’s perfect for 2×2 ft (60×60 cm), 2×4 ft (60×120 cm), 2.3×4.6 ft (70×140 cm), 3×3 ft (90×90 cm), 4×4 ft (120×120 cm), and 5×5 ft (150×150 cm) tents. Whether you’re using a small or large tent, our dehumidifier adapts effortlessly to create the ideal environment.
User-Friendly Features
For added convenience, our dehumidifier comes with a power outage memory function. If the power goes out, it will remember its previous settings, ensuring a smooth restart. The dehumidifier retains these settings and will automatically turn back on when power is restored—no manual restart needed.
2025 Spider Farmer® 32 Pint Dehumidifier – Smart Control with RJ12 Cable & Drain Hose, Ideal for Grow Tent & Grow Room
Why Choose Our Compressor Dehumidifier Over Cheaper Options?
You may find dehumidifiers on the market priced at just a few dozen dollars, but most of those use semiconductor technology. Semiconductor dehumidifiers work by cooling air with a thermoelectric effect, but they are far less effective, especially in colder weather. Our dehumidifier uses a high-quality compressor, which comes at a higher cost but delivers far superior performance.
Why a Compressor Dehumidifier?
Semiconductor dehumidifiers simply can’t get the job done—especially in winter, as they struggle to operate efficiently in low temperatures. In contrast, compressor dehumidifiers are widely used in commercial settings for their effectiveness. In fact, our unit removes moisture up to 39 times faster than semiconductor models. That means faster results and lower energy consumption, saving you both time and money on electricity bills.
How Does It Work?
Our dehumidifier pulls in humid air, removes the moisture, and then releases the dry air back into your tent or space. The collected moisture can either be stored in the built-in water tank or drained continuously using the included hose. According to our tests, it may increase the temperature inside your tent by 1-2°C (around 2-4°F), a small trade-off for such efficient moisture removal.
Ideal for Summer Humidity Control
Summer humidity can be challenging, especially in grow tents where moisture can quickly build up, affecting both your plants' health and the growing conditions. This dehumidifier is designed to handle the increased humidity levels typical of summer, ensuring your environment remains stable and conducive to plant growth. With its ability to regulate humidity, you’ll avoid problems like mold and mildew, which thrive in high-moisture conditions.
User-Centered Design for Grow Tents
We understand our users’ needs, which is why this dehumidifier is specifically designed for tent environments. The dry air outlet pipe is tailored to fit seamlessly with tents, ensuring optimal airflow. It’s perfect for 2×2 ft (60×60 cm), 2×4 ft (60×120 cm), 2.3×4.6 ft (70×140 cm), 3×3 ft (90×90 cm), 4×4 ft (120×120 cm), and 5×5 ft (150×150 cm) tents. Whether you’re using a small or large tent, our dehumidifier adapts effortlessly to create the ideal environment.
User-Friendly Features
For added convenience, our dehumidifier comes with a power outage memory function. If the power goes out, it will remember its previous settings, ensuring a smooth restart. The dehumidifier retains these settings and will automatically turn back on when power is restored—no manual restart needed.
2025 Spider Farmer Grow Tent Heater – Smart Temperature Control,10-Level PTC Heating,Day/Night Auto Settings,24H Timer, Safe Indoor Plant Heater for Grow Rooms
- Intelligent Temperature Control System:With advanced PTC plates and PWM technology, the Spider Farmer heater offers 10 adjustable settings for heating and fan speed. Featuring 4 exclusive custom modes and 3 standard modes, it ensures precise temperature control for any environment.
- Comprehensive Safety:Made with high-grade flame-retardant materials that exceed V0 and meet the more rigorous 5VA standard, this heater maintains structural integrity under high temperatures. Equipped with hardware and overheat protection, it ensures safe and stable operation in grow tents and indoor environments.
- Daytime/night Heating with Multiple Modes: Features Normal Open Mode, Temperature All-day Mode, Temperature Daytime Mode, and Temperature Night Mode, keeping plants warm in winter and providing a stable environment year-round.
- Precise Temperature Control: Includes a 160cm adjustable hose for even warm air distribution, avoiding direct airflow on plants and supporting healthy growth.
- Real-Time Monitoring: Integrated temperature and light sensors continuously monitor the environment, automatically adjusting heating and ventilation to ensure optimal growth conditions.
- Flexible Placement Options: Supports horizontal and vertical positioning, enabling flexible adjustments for optimal space utilization.
- Automatic Screen-Off Function:Automatically enters rest mode after 30 seconds of inactivity to conserve energy and protect the display,while keeping the unit operational.
Black Friday Price Guarantee | 2025 New Version Spider Farmer®6-Inch Grow Tent Clip Fan EC Motor, 10 Speeds Wind Control 10-Level Wide-Angle Oscillation, Waterproof IP54 for Optimal Plant Airflow
- Strengthened Stems: Our Clip-on Fan mimics natural breezes, strengthening plant stems.
- Enhanced Protection: Protects against mold, bud rot, and mildew for healthier growth.
- Pest Resistance: Shields plants from fungus gnats and spider mites.
- Improved Growth Conditions: Controls heat and humidity for faster growth and better harvests.
Black Friday Price Guarantee | Spider Farmer® 16L Cool Mist Humidifier Ultrasonic with Temperature & Humidity Probe for Plants Indoor Grow Tent
- Tailored for large tent cultivation and commercial plant projects.
- Ideal for creating the perfect growing environment in both extensive tent setups and commercial cultivation spaces.
- Expandable hose disperses mist to the corner of the tent for thorough coverage.
- Four adjustable mist levels with a maximum humidification capacity of 1400ML/H.
- Independent sensor for precise humidity control.
SALE | 2025 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
With the Spider Farmer GGS Controller Kits, you can:
- Set the on and off times for your grow lights and adjust their brightness levels to suit the specific needs of your plants.
- Simulate sunrise and sunset transition effects, creating a more natural light cycle that promotes healthy plant growth.
- Control the speed and direction of your clip fans, ensuring optimal air circulation within your grow tent.
- Regulate the temperature and humidity levels inside your tent, providing an ideal environment for your plants to thrive.

How to Benefit from Halloween Big Sale & Black Friday Presale?
Make an order between Oct 15 and Oct 31, and then you can enjoy the big discount and participate in the lucky draw event.
Halloween Big Sale & Black Friday Presale
Halloween Big Sale

New registered customers can enjoy a 10% first-order discount at checkout (not combinable with other codes).

Log in to your account to unlock exclusive member prices and enjoy extra savings.

Halloween product prices are guaranteed — plus, you can unlock some Black Friday deals in advance.
How to Participate in the Lucky Draw Event?
Place an order during the event period (10.15 – 10.31) and leave your order number in the comment section to participate in the lucky draw event. There will be 3 winners, and each one will get a GGS Controller kit. If you don’t have a GGS Controller kit and want to give it a try, you can leave a comment.
Announcement Date
We’re going to announce the list of winners between Nov 4 and Nov 5. You can find the list both on our blog’s comment section and our official media.
Conclusion
As the Halloween festivities draw to a close, it’s time to join the Halloween Big Sale and Black Friday Presale for 2025. Don’t wait to get the incredible discounts and participate in the lucky draw event.
This is the best time to give Spider Farmer a try, as we’re going to introduce a series of new products and upgrades. This Halloween Big Sale and Black Friday Presale is definitely the most anticipated holiday of the year, and SF will provide full support to help you plant better.
No winners announced???
Hi, the winners are announced on our social media:) They are: [email protected] order 241195* [email protected] order 239837* [email protected] order 243126* Feel free to follow us on IG/Twitter/Facebook!
i would love to try out this new version ! i just ordered the older one a few months ago XD
#242008
#241195
Happy Halloween
order 243126 !!
237937
240826
Letsgoo
#240987 Thesteathygardener.
You guys are an inspiration!
#111-1795156-9687419
#30164 – long time smokers, first time growers. Cant wait for thr kit to arrive.
#240519 i neeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed, thx
Order #237972
Order 111-1795156-9687419
Yes I need a dehumidifier for black Friday. So give a big sale! Lol 😆
239110 Is 1 order # for giveaway and here’s 1 more 239308 too. Both ordered during giveaway
Order number 240067
239837
Thank you for all the great equipment 239837