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Out of stock

- 43%
4 inch Inline Fan Kits Speed Controller-250912

Pre-owned I Spider Farmer 4 Inch 205CFM Inline Fan Carbon Filter Ducting Ventilation Combo

Original price was: $209.99.Current price is: $119.99.
Note： This is a used (open-box) product and is fully functional. Returns are not accepted unless there is a product quality issue. Please purchase only if you agree. Thanks Package Includes:  1×4″ Inline fan, 1×4″ Carbon filter, 1xSpeed Controller, 1xDucting, 2xVent Covers, 3xClamps, 4xSteel Hangers,  (GGS Controller Not Include)

Out of stock

- 55%
Spider Farmer®SE7000 730W Led Grow Light

Pre-owned I Spider Farmer®SE7000 730W Full Spectrum LED Grow Light with Dimmer Knob

Original price was: $1,189.99.Current price is: $530.99.
Note： This is a used (open-box) product and is fully functional. Returns are not accepted unless there is a product quality issue. Please purchase only if you agree. Thanks

Out of stock

- 39%
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Pre-owned | Spider Farmer UV60 & IR30 LED Grow Light Bars Set (90cm)– Upgraded UV & Infrared Supplement for Plants

Original price was: $189.99.Current price is: $115.99.
*It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections.If you are concerned about purchasing a used item, please consider carefully before placing an order. Ideal Controller for Grow Lights above 500W – Powerful and Reliable Why use 730nm IR supplemental light bar? Stem Boost, Flower Induction, Light-induced Sleep Why use 365nm UV supplemental light bar? Enhance yield, improve nutrients, elevate taste/aroma, sterilize grow area (eliminating mold), aid pest control. Recommended Grow Light Models: 90cm Grow Light Bars Set is Suitable for above 500W light as a reference. (SE7000 /G8600 /G1000W / SE1000W/SF7000).

Out of stock

- 56%
Spider-Farmer-SE1000W-LED

Pre-owned I Spider Farmer®SE1000W LED Grow Light Samsung LM301B CO2 Horticulture Light

Original price was: $1,529.99.Current price is: $675.99.
Note：This is a used / open-box product and is fully functional. Returns are not accepted unless there is a product quality issue. Please purchase only if you agree. Thanks

Out of stock

- 35%
Pre-owned | Spider Farmer® 6L Cool Mist Humidifier with Temp & Humidity Sensor Extendable Targeting Hose for Plants Indoor Grow Tent Room

Pre-owned | Spider Farmer® 6L Cool Mist Humidifier with Temp & Humidity Sensor Extendable Targeting Hose for Plants Indoor Grow Tent Room

Original price was: $129.99.Current price is: $84.99.
Pre-owned: It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections. If you are concerned about purchasing a used item, please consider carefully before placing an order. Warranty: Other refurbished products come with a 3-month limited warranty covering only functional defects. Returns or exchanges are not accepted for non-quality-related reasons. Please inspect all accessories within 7 days of receipt. Important: This 6L humidifier supports GGS remote ON/OFF control and customized schedules only. Full smart control is not supported. Please check the compatibility details carefully before purchase. Temp Humid Light Sensor – This sensor tracks temperature and humidity inside the grow tent, optimizing plant conditions and helping you maintain the ideal environment for faster, healthier plant growth. Quiet & Efficient 6L Cool Mist Output – The large-capacity tank supports long, continuous misting with ultra-quiet operation, perfect for indoor gardens, grow tents, and small grow rooms. Extendable Hose for Targeted Mist – Flexible forked misting hose extends and adjusts easily, ensuring even distribution of humidity throughout your grow tent, reaching every corner your plants need it most. Optimized for Indoor Plant Health – Supports healthy transpiration, improves nutrient uptake, and reduces risks of mold or dryness by delivering balanced humidity tailored to your plant’s growth stage.

Out of stock

- 27%
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Pre-owned Spider Farmer Genius Grow System SensorPro Kits with CO2 Sensor and PAR Meter, Ideal for Optimizing Grow Tents, Grow Rooms

Original price was: $89.99.Current price is: $65.99.
Note: It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections. The Pre-owned GGS Sensorpro Kit comes with a 3-month limited warranty covering only functional defects. Warranty service is primarily provided through replacement parts. Returns or exchanges are not supported for non-quality-related reasons. Please check all included accessories within 7 days of receipt.

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.

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.

Note: Before using the 4-in-1 sensor, please move the cover with the “Spider Farmer” logo to expose the white PPFD sensing area for more precise data monitoring.

The kit includes: 1 x Temp Humi VPD PAR Meter 1 x CO₂ Meter 2 x RJ12 cables 2.5m (for connecting devices) 1 x RJ12 cables 0.25m (for connecting between telephone line splitters) 2 x RJ12 telephone line splitters (for expanding connections) 1 x PAR Meter bracket (for securing the PAR Meter)

Out of stock

- 39%
6 inch inline fan Kits-RJ12

Pre-owned I Spider Farmer®402CFM 6-Inch Inline Fan Carbon Filter Ducting Ventilation Combo, GGS Controller Controllable

Original price was: $279.99.Current price is: $170.99.
Note：This is a used (open-box) product and is fully functional. Returns are not accepted unless there is a product quality issue. Please purchase only if you agree. Thanks
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
Package Includes:  1x6" Inline fan, 1x6" Carbon filter, 1xSpeed Controller, 1xDucting, 2xDuct Vent Covers, 3xClamps, Hangers (GGS Controller Not Include).

Out of stock

- 26%
Pre-owned | Spider Farmer GGS Grow Tent Climate Controller Kits: Temperature, Humidity, VPD Monitoring, Scheduling, Data Tracking, Bluetooth & WiFi for Optimized Climate Management

Pre-owned | Spider Farmer GGS Grow Tent Climate Controller Kits: Temperature, Humidity, VPD Monitoring, Scheduling, Data Tracking, Bluetooth & WiFi for Optimized Climate Management

Original price was: $89.99.Current price is: $66.99.
Note: It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections. The Pre-owned GGS Controller Kit comes with a 3-month limited warranty covering only functional defects. Warranty service is primarily provided through replacement parts. Returns or exchanges are not supported for non-quality-related reasons. Please check all included accessories within 7 days of receipt.

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. 

The Sensorpro Kits are sold separately.

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)

Out of stock

- 47%
Pre-Owned Sale | Spider Farmer DWC Hydroponics Grow System with Top Drip Kit 7 Gallon Deep Water Culture 2 Buckets

Pre-Owned Sale | Spider Farmer DWC Hydroponics Grow System with Top Drip Kit 7 Gallon Deep Water Culture 2 Buckets

Original price was: $149.99.Current price is: $79.99.
It has been fully tested to ensure proper functionality, but may show signs of previous use, including cosmetic imperfections,If you are concerned about purchasing a used item, please consider carefully before placing an order New Triangle Cover Design: Uncover to easily add water and measure liquidparameters, enhancing usability. Features a 7-gallon capacity, made fromihigh-quality, corrosion-resistant PP. lightweight and durable Top Irrigation System: Equipped with an adjustable top drip irrigation ring,which enables fine regulation of irrigation speed. With a spacious 6-inch netcup, it easily meets daily planting needs

Out of stock

- 37%
Pre-owned I Spider Farmer 4-Inch Inline Duct Fan 205CFM With Speed Controller Ventilation Exhaust Fan, GGS Controller Controllable

Pre-owned I Spider Farmer 4-Inch Inline Duct Fan 205CFM With Speed Controller Ventilation Exhaust Fan, GGS Controller Controllable

Original price was: $119.99.Current price is: $75.99.
Note： This is a used (open-box) product and is fully functional. Returns are not accepted unless there is a product quality issue. Please purchase only if you agree. Thanks Package Includes:  1x4" Inline fan, 1xSpeed Controller (GGS Controller Not Include)

The inline fan is designed to move air through ducts, improving ventilation and air circulation.

 

Out of stock

- 42%
Self-watering-System-Kits-4pcs

Damaged Packaging Sale | Spider Farmer 4 Self-watering System Kits For Indoor Grow Tents, Greenhouses

Original price was: $179.99.Current price is: $104.99.
Please Note ：the product packaging has  minor damage, but the product inside is intact. Please feel free to use it.  Quantity: 1— Available until sold out.Do you know the Gravity-Fed irrigation System? It come with a 3-month limited warranty covering functional defects only.Returns or exchanges are not accepted for non-quality-related reasons.Please inspect all accessories within 7 days of receipt.
  • Our self-watering system works without power（Saving Electricity）, and water pressure, using gravity to keep the water flowing.
  • 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.
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) User Manual NOTE: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. Disclaimer As with all drip or gravity-fed systems, occasional cleaning is required to prevent root or nutrient buildup. Performance may vary based on plant type, nutrient concentration, and environment.
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