32 Pint Grow Dehumidifier
Original price was: 79.99.$189.99
ELIABLE & STABLE HUMIDITY CONTROL SYSTEM
Maintaining proper humidity is vital for plant health. Excess moisture can cause mold, root rot, and pests. A reliable dehumidifier is essential to protect plants and ensure a stable, healthy grow environment.
SMART COMBO DEAL
Smart Combination, Optimized Performance
Flash Bundle丨New Version Spider Farmer® 32 Pint Dehumidifier with GGS AC5 Power Strip Kit for Smart Control
Please let the dehumidifier sit for 24 hours before use, as it contains a compressor.
Spider Farmer Dehumidifier User ManualFlexible Device Control
The GGS AC5 Power Strip allows you to easily connect and control your dehumidifier and other devices. Each outlet can be individually configured with its own schedule, temperature mode, humidity mode, and CO2 mode, giving you the flexibility to add more environmental devices as needed.
Automated Operation for Convenience
Remotely control your dehumidifier anytime with the Spider Farmer app—even when you're away. Seamlessly integrate with the Spider Farmer GGS Series for smart management of windspeed, run time, and Auto Humidity Control. (Please update to a version released after July 9, 2025.)
Real-Time Monitoring with the Spider Farmer App
Stay on top of your grow tent’s environment with the Spider Farmer app. You can monitor real-time data like VPD, temperature, humidity, soil temperature, soil VWC, and EC, all from your phone, making it easy to track and adjust your growing conditions.
Enhance Your Monitoring with SensorPro Kits
If you want to measure your light’s PAR values or track CO2 levels in your environment, consider purchasing our SensorPro Kits, which include a PAR meter and a CO2 meter. These tools will give you even more control over your grow environment.
The kit includes:
- 1 x 32-pint dehumidifier and its accessories, such as pipes, power supply, and other fittings
- 1 x GGS AC5 Power Strip
- 1 x GGS Temperature, humidity, and light sensor
- 1 x 3-in-1 soil sensor
- 1 x GGS Light adapter (for connecting the lights to the GGS System)
- 4 x 2.5m RJ12 cables (for connecting devices)
- 2 x 0.25m RJ12 cables
- 1 x GGS Pro Adapter (for expanding device connections)
- 6 x hook and loop straps (for organizing cables)
Pre-owned | Spider Farmer® 32 Pint Dehumidifier with Drain Hose for Grow Tent and Grow Room
It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections.It does not include an RJ12 cable, so the app cannot control the dedicated dehumidifier section; however, it can be connected via the power cord to the [outlet] for overall dehumidification mode. Please consider carefully before purchasing if you are concerned about buying a used item.
Please inspect all accessories within 7 days of receipt.Returns or exchanges are not accepted for non-quality-related reasons.
Flash Bundle丨Spider Farmer GGS Controller with 32 Pint Dehumidifier – Smart Humidity Control, WiFi & Bluetooth Connectivity for Grow Tents and Rooms
5% Special Coupon for this set: GST05
New Upgrade: Spider Farmer GGS App Controller + Dehumidifier Combo Now Available!
The kit includes:
- 1 x 32-pint dehumidifier and its accessories, such as RJ12 cable, power supply, and other fittings
- 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)
2026 New Spider Farmer® 32 Pint Dehumidifier – Smart APP Control with RJ12 Cable & Drain Hose, Ideal for Grow Tent & Grow Room
New Version: SMART HUMIDITY CONTROL
The dehumidifier connects to the GGS Power Strip AC5/AC10 and GGS Controller via an RJ12 cable, allowing remote control through Bluetooth or the Spider Farmer app. Seamlessly integrate with the Spider Farmer GGS Series for intelligent control of windspeed, runtime, and Auto Humidity Control.
Please let the dehumidifier sit for 24 hours before use, as it contains a compressor.
Spider Farmer Dehumidifier Manual & Operation Guide
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 2-4℉ (around 1-2°℃), a small trade-off for such efficient moisture removal.
User-Centered Design for 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.
Flash Bundle丨New Version Spider Farmer® 32 Pint Dehumidifier with GGS AC5 Power Strip Kit for Smart Control
Please let the dehumidifier sit for 24 hours before use, as it contains a compressor.
Spider Farmer Dehumidifier User ManualFlexible Device Control
The GGS AC5 Power Strip allows you to easily connect and control your dehumidifier and other devices. Each outlet can be individually configured with its own schedule, temperature mode, humidity mode, and CO2 mode, giving you the flexibility to add more environmental devices as needed.
Automated Operation for Convenience
Remotely control your dehumidifier anytime with the Spider Farmer app—even when you're away. Seamlessly integrate with the Spider Farmer GGS Series for smart management of windspeed, run time, and Auto Humidity Control. (Please update to a version released after July 9, 2025.)
Real-Time Monitoring with the Spider Farmer App
Stay on top of your grow tent’s environment with the Spider Farmer app. You can monitor real-time data like VPD, temperature, humidity, soil temperature, soil VWC, and EC, all from your phone, making it easy to track and adjust your growing conditions.
Enhance Your Monitoring with SensorPro Kits
If you want to measure your light’s PAR values or track CO2 levels in your environment, consider purchasing our SensorPro Kits, which include a PAR meter and a CO2 meter. These tools will give you even more control over your grow environment.
The kit includes:
- 1 x 32-pint dehumidifier and its accessories, such as pipes, power supply, and other fittings
- 1 x GGS AC5 Power Strip
- 1 x GGS Temperature, humidity, and light sensor
- 1 x 3-in-1 soil sensor
- 1 x GGS Light adapter (for connecting the lights to the GGS System)
- 4 x 2.5m RJ12 cables (for connecting devices)
- 2 x 0.25m RJ12 cables
- 1 x GGS Pro Adapter (for expanding device connections)
- 6 x hook and loop straps (for organizing cables)
Pre-owned | Spider Farmer® 32 Pint Dehumidifier with Drain Hose for Grow Tent and Grow Room
It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections.It does not include an RJ12 cable, so the app cannot control the dedicated dehumidifier section; however, it can be connected via the power cord to the [outlet] for overall dehumidification mode. Please consider carefully before purchasing if you are concerned about buying a used item.
Please inspect all accessories within 7 days of receipt.Returns or exchanges are not accepted for non-quality-related reasons.Flash Bundle丨Spider Farmer GGS Controller with 32 Pint Dehumidifier – Smart Humidity Control, WiFi & Bluetooth Connectivity for Grow Tents and Rooms
5% Special Coupon for this set: GST05
New Upgrade: Spider Farmer GGS App Controller + Dehumidifier Combo Now Available!
The kit includes:
- 1 x 32-pint dehumidifier and its accessories, such as RJ12 cable, power supply, and other fittings
- 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)
Spider Farmer Dehumidifier
Key Features
What does a Dehumidifier do?
When the air humidity exceeds the ideal range, a dehumidifier removes moisture from the air, reducing the humidity and ensuring your plants remain in an optimal environment. Excessive humidity can lead to bud rot and other molds, and can also slow plant growth.
What size dehumidifier do I need for my grow room?
This depends on how much water you use. Suppose you are growing 6 plants in a 4x4 grow tent, watering them every 2 days with 1 gallon (8 pints) per plant each time. You can calculate the dehumidifier size as follows:
Step 1: Calculate the total water used each time
- 6 plants * 1 gallon/plant = 6 gallons
Step 2: Convert gallons to pints
- 6 gallons * 8 pints/gallon = 48 pints
Step 3: Calculate the average daily dehumidification
- 48 pints / 2 days = 24 pints/day
Step 4: Consider low temperature and low humidity areas (reduce by 15%)
- Basic requirement: 24 pints/day
- Adjusted requirement: 24 pints * 0.85 (estimate 15% reduction for low temperature and low humidity)
- Adjusted requirement calculation: 24 * 0.85 = 20.4 pints/day
Step 5: Consider high temperature and high humidity areas (increase by 15%)
- Basic requirement: 24 pints/day
- Adjusted requirement: 24 pints * 1.15 (estimate 15% increase for high temperature and high humidity)
- Adjusted requirement calculation: 24 * 1.15 = 27.6 pints/day
Why recommend a compressor dehumidifier over a semiconductor dehumidifier?
Compressor dehumidifiers are much more effective than semiconductor dehumidifiers, with a dehumidifying capacity 39 times greater. You may have previously purchased a semiconductor dehumidifier only to find it almost ineffective. This is why we recommend compressor dehumidifiers: they quickly process large volumes of air, provide better dehumidification, and are highly efficient.
What should the humidity be in a grow room?
While the key to successful growing is VPD (Vapor Pressure Deficit), generally, seedlings and clones require high humidity of 70-75%. As plants grow, gradually reduce humidity to 50-70%. During flowering, further reduce humidity to 40-50% and maintain this range until harvest.
All indoor growing systems benefit from a dehumidifier, but it is especially important for hydroponic systems. Proper ventilation also helps control humidity, so make sure to install fans or blowers.
Other factors to consider
If your room is sealed and equipped with an air conditioner, the air conditioner will remove some moisture. Check how many pints of moisture your air conditioner removes daily and subtract this amount from your daily dehumidification needs.
Spider Farmer Dehumidifier
FQA
Usage & Operation Questions
This unit provides a grow space of up to 5 × 5 square feet, suitable for up to 6 plants.
- Low ambient temperature
If the room temperature is too low, compressor dehumidifiers become less efficient. Use a heater (such as a professional grow heater) to raise the temperature above 5°C (41°F) to improve dehumidification performance. - Poor air circulation or dirty filter
Improve airflow by using fans and make sure the filter is clean. Restricted airflow reduces the amount of air passing through the dehumidifier, slowing down moisture removal. - Humidity is approaching the set target
As the room’s humidity gets closer to the set target, the dehumidifier naturally slows down because there is less moisture remaining in the air to remove. This is normal.
Yes, the dehumidifier supports 24-hour scheduling or continuous operation to maintain a stable humidity range.
Our dehumidifier uses a compressor system, which is 39 times more efficient than Semiconductor dehumidifiers. Although it costs more upfront, it delivers higher efficiency and better performance, meaning lower energy consumption and more savings on electricity bills.
Yes. Compressor dehumidifiers are highly effective and widely used in commercial settings. They can maintain good dehumidification performance even in low-temperature environments.
Place the unit in an open, well-ventilated area.
Keep several inches of clearance around the vents.
Avoid corners, tight spaces, or areas that block airflow.
Troubleshooting & Maintenance Questions
Power indicator blinking
1.Cause: When the set humidity is equal to or higher than the ambient humidity, the compressor will automatically stop. This is normal.
2.Solution: Set the target humidity lower than the current room humidity, or use Dry Clothes Mode or Continuous Mode.
Red water-full indicator blinking + power indicator blinking
Cause & Solution:
1.The water tank is full – empty the tank.
2.Ensure the water tank is installed correctly.
3.Shake the water tank to check that the float moves freely and is not stuck.
Device running normally but not dehumidifying
Check for refrigerant issues:
1.After running for 10 minutes, if the air outlet blows cold air, there may be a refrigerant leak; if it blows warm air, the machine is functioning normally.
（1）After 10 minutes of operation, hold the TIMER button for 3 seconds to check the ambient temperature, and hold SPEED for 3 seconds to check the coil temperature.
（2）If the difference between ambient and coil temperature ≥ 10°C (or ≥ 8°C when ambient temperature ≥ 30°C), the cooling system is normal.
2.If refrigerant is leaking, contact customer service for repair or replacement.
Display: “25” on the screen + power indicator blinking
Possible causes & solutions:
In dehumidifying mode, the target humidity may be set to 30% RH – adjust to a lower value.
Switch to Dry Clothes Mode or Continuous Mode.
The temperature/humidity sensor may be disconnected or faulty – contact customer service for repair or replacement.
Condensate drainage may be blocked (“U-shaped pipe” forming) – check that the water hose is unobstructed and follow the instructions on the back of the machine.
Symptoms: Plugged in, no response, indicators off
Cause: No power input or display board has no signal
Solution: Check the power supply. If the machine still does not respond, contact customer service for repair or replacement.
Symptoms: Plugged in, power indicator is on, but buttons do not work
Cause: Power is supplied, but the display board is not responding
Solution: Contact customer service for repair or replacement.
Possible Causes:
Air filter or coils may be dirty or blocked, reducing airflow.
The target humidity is set higher than the current room humidity.
The internal fan may not be circulating air effectively.
Solution:
Clean the air filter and evaporator coils.
Set a lower target humidity.
Ensure the fan is running and unobstructed.
Possible Causes:
The drainage hose is kinked, twisted, or blocked.
The unit is not level, preventing gravity drainage.
The hose connection is loose or improperly sealed.
Solution:
Straighten or replace the hose if bent or blocked.
Place the dehumidifier on a level surface.
Check the hose connection for a proper seal.
This is usually normal operation: the unit shuts off when the room reaches the set humidity and turns back on when humidity rises above the target, ensuring that the room maintains a stable humidity level.
Possible Causes:
Poor ventilation in the room.
Moisture continuously entering through walls, floors, or outside air.
Solution:
Improve room ventilation.
Seal gaps and cracks to prevent additional moisture from entering.
Consider using multiple dehumidifiers for large or very humid spaces.
