Prime Day Sale! Order over $350 get a free T-shirt. Order over $800 get a free Smart G12.
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  • NEW
  • GGS SMART CONTROLLER
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  • GROW TENT KITS

    Complete Grow Tent Kits

    From robust grow lights to essential gardening tools, every item in the kit ensures a seamless and efficient growing experience. All you need to begin is your plants, some soil, and water.

    • VIEW ALL >>>

    Top Picks

      • SF1000D 100W Grow Tent Kit with Speed Knob Controller
      • SF1000 100W Grow Tent Kits with GGS Controller
      • SF1000 100W Grow Tent Kit with Speed Knob Controller
      • SF2000 200W Grow Tent Kits with GGS Controller
      • SF2000 200W Grow Tent Kit with Speed Knob Controller
      • G3000 300W Grow Tent Kit with Speed Knob Controller
      • G3000 300W Grow Tent Kit with GGS Controller
      • SF4000 450W Grow Tent Kit with Speed Knob Controller
      • SF4000 450W Grow Tent Kit with GGS Controller
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-8%
DWC+PH
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DWC-4PC-7
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Spider-Farmer-ph-meter-before&after-use
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Click to enlarge
DWC+PH
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spider-farmer-ph-meter-specification
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Home Grow Kits DWC System Bundle Sale | DWC 4PC Grow Kit + 5-in-1 pH Pen — Monitor & Grow
90x90x180-1-Grow Tent Cover
New Arrival | 3‘x3’ Grow Tent Insulation Cover for Winter - Thermal Liner with Insulation Layer, Observation Window and Ventilation Holes, Optimized for Heat Retention and Energy Efficiency $109.99 Original price was: $109.99.$89.99Current price is: $89.99.
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Bundle Sale | Spider Farmer®2L Auto-Cure Smart Jar with 2-Way 62% Humidity Packs + 5-Gallon Reusable All-Mesh Filter Bags for Herb Extraction $109.99 Original price was: $109.99.$81.99Current price is: $81.99.

Bundle Sale | DWC 4PC Grow Kit + 5-in-1 pH Pen — Monitor & Grow

$195.99 Original price was: $195.99.$180.99Current price is: $180.99.

pH Meter Options
pH Meter
PH Meter+DWC 2PC
PH Meter+DWC 4PC

Designed for hydroponics and plant growth, it accurately measures pH, EC, TDS, temperature, and salinity to ensure optimal nutrient uptake.

  • All-in-one water monitoring (±0.05 pH).

Measures pH/EC/TDS/temperature/salinity in one pen; TDS & pH on one screen with a high-sensitivity sensor for stable readings and faster nutrient tuning.

  • Ready to calibrate, built to last.

Comes with pH 4.00/6.86/9.18 calibration powders, Type-C cable, and a waterproof & dustproof design to support long-term hydroponics use.

  • Top-drip DWC for stronger roots.

The 7-gallon, 4-bucket deep-water culture with top drip and a 15W air pump boosts oxygenation and uniform feeding; ideal for consistent growth.

  • Triangle cover, easier access & measuring.

The triangle cover design lets you add water and take readings without hassle; adjustable drip ring fine-tunes irrigation speed to match plant needs.

  • Durable PP buckets & full accessories.

Corrosion-resistant PP buckets with 6″ net cups, air stones, tubing, water-level tubes, and a detailed manual—from monitoring to growing in one bundle.

Package Includes:

      • 5-in-1 Hydroponic Tester x 1
      • Type-C Cable (60cm) x 1
      • 4.00 Calibration Powder x 1
      • 6.86 Calibration Powder x 1
      • 9.18 Calibration Powder x 1
      • User Manual x 1 → Click here to view the PH METER online manual

DWC Hydroponic System Kit Includes

    • : 4pcs 7-gallon DWC Buckets, 4pcs triangular cover, 4pcs net cup, air pump, 4pcs air stone, 12M 4/6mm black tubing, dry clay pebbles, 4pcs water level tube, 4pcs drip irrigation ring, user manual and other accessories

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.

Fit Guide

Check the following fit chart to find how many lights you need for your grow tent. For Bigger Growing Space, SF4000 / SF7000 / SE5000 / SE7000 will be more suitable.

SF SERIES
SF Tent Size # of SF1000 # of SF2000 # of SF4000 # of SF7000 SF FAN COMBO
2’x2’ 1 / / / 4 inch
3'x3' 1 1 / / 4 inch
4.5'x2' 2 1 / / 4 inch
4'x4' 4 2 1 / 6 inch
5'x5' 6 3 1 1 6 inch
SE SERIES
SF Tent Size # of SE3000 # of SE5000 # of SE7000 # of SE7000-730w SF FAN COMBO
2’x2’ 1 / / / 4 inch
3'x3' 1 1 / / 4 inch
4'x4' 1 1 / / 6 inch
5'x5' 2 1 1 1 6 inch
Size Guide
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  • WHY CHOOSE US
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WHY CHOOSE US

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

-14%

2025 New Spider Farmer® 32 Pint Dehumidifier – Smart Control with RJ12 Cable & Drain Hose, Ideal for Grow Tent & Grow Room

$219.99 Original price was: $219.99.$189.99Current price is: $189.99.
Rated 5.00 out of 5
2025 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. (Dehumidifier section updated in the app—check the latest version after July 9, 2025.) Looking for a better deal? >>Check out this one 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 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.

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-15%
Spider Farmer UV30 & IR16 LED grow light bar for plants, with UV and infrared light for enhanced growth – 23.6''

Cyber Monday Deals丨2025 Newest Spider Farmer UV30 & IR16 LED Grow Light Bars Set (23.6”)– Upgraded UV & Infrared Supplement for Plants

$99.99 Original price was: $99.99.$84.99Current price is: $84.99.
Rated 5.00 out of 5

Newest Upgrade : Ideal Controller for Grow Lights below to 500W – Compact and Efficient>>Read More

  • Fixed Integrated Cable Length (80cm / 31.5"): Ensures better system reliability and stability by eliminating loose connections.
  • Quick-Mount Brackets Included:Easily secure light bars in place, simplifying installation and ensuring optimal light angle and performance.
  • Compatible with GGS AC5/AC10 power kits, with easy and smart time control via the app.

Why Choose Our Supply Series Supplemental Light Bars?

In some main light sources, a few 365 UV diodes and 730nm IR diodes may just be a marketing gimmick, and in reality, their intensity may be insufficient. Among all the supplemental light bars in our lineup, the supplementary light bars in the Supply series feature the most densely arranged diodes, specifically designed to enhance plant growth. Our 23.6-inch(60cm) UV & IR light bar set consists of 4 bars, each UV light bar equipped with a durable and sturdy metal casing and 60 diodes, while each IR light bar equipped with a durable and sturdy metal casing and 44 diodes.

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: 23.6'' Grow Light Bars Set is suitable for under 500W as a reference. (SF2000 /SF4000 /G3000/G4500 /SE4500 /SE5000 /G5000)

Package contents: 2 x UV light bars (length: 23.6''/ 60cm) 2 x IR light bars (length: 23.6''/ 60cm) 8 x YoYo hangers 2 x Brackets (for securing the light bars) 1 x User Manual

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-13%
4-inline fan-Speed Controller-RJ12-SET
Inline Fan Speed Controller-RJ12

2025 New Spider Farmer® 4” Inline duct Fan Kits 205 CFM with Speed Controller, Carbon Filter Grow Tent Ventilation System, GGS Controller Controllable

$149.99 Original price was: $149.99.$129.99Current price is: $129.99.
Rated 5.00 out of 5
The 2025 version features a design with an RJ12 port, allowing connection to GGS controllers and power strip kits. Adjustments can be made through the Spider Farmer app.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
The Spider Farmer Cooling & Ventilation System includes inline fan, carbon filters, ducting, speed controller, effectively remove unwanted odors, ideal for use in grow tents or enclosed grow areas. providing a more comfortable environment for plant growth. Package Includes:  1×4″ Inline fan, 1×4″ Carbon filter, 1xSpeed Controller, 1xDucting, 1xTimer, 1xThermo-hygrometer, 4xSteel hangers, 2xDuct filter vent covers, 3xSteel clamps(GGS Controller Not Include)  
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-21%
Spider farmer smart g12 Hydroponics Growing System indoor garden light
Spider farmer smart g12 Hydroponics Growing System indoor garden light 0

Cyber Monday Deals丨Pre-order 2025 Spider Farmer SmartG12 Hydroponic Gardening System Kit,APP & Wifi Controlled,36W LED Grow Light,12 Pods Indoor Herb Garden,6L Water Tank

$125.99 Original price was: $125.99.$99.99Current price is: $99.99.
Rated 5.00 out of 5
ETA:Dec 7-17

With Spider Farmer Smart Hydroponic System, enjoy a worry-free, thriving indoor garden all year round.

  • Smart Control with Wi-Fi & App.
  • 6 Vegetable Modes&5 Custom Modes&Vacation Mode.
  • 36W High-Efficiency LED Grow Lights simulate natural sunlight.
  • 27.6 inches Adjustable Light Pole to Support All Growth Stages.
  • Easily Removable 6L Water Tank for Quick Cleaning and Maintenance.
  • Automatic pump operation for effortless watering.
Package contents: 1x Grow Light (36W,Dimming Mode:1-100%) 1x Light Post 1x Water Bowl 1x Host Base 1x Power Adapter 12x Grow Baskets 12x Grow Sponges 12x Grow Domes 12x Pod Covers 1x T-sprinkler 1x Water Injection Cover 1x A+B Nutrition Bottles 1x User Manual
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-14%
6 inch inline fan-RJ12
Inline Fan-GGS Controllable

Limited Flash Sale I 2025 New Spider Farmer® 6″ Inline Fan 402CFM with Speed Controller RJ12 Port, GGS Controller Compatible

$105.99 Original price was: $105.99.$90.99Current price is: $90.99.
Rated 5.00 out of 5
An inline fan improves airflow, regulates temperature and humidity, and helps plants grow stronger. It removes hot, stale air from your grow space and brings in fresh air—creating a healthy environment for your plants to thrive. Perfect for Grow tents, hydroponic rooms, and other indoor growing setups that require quiet, reliable airflow with smart control options. Package Includes:  1×6″ inline Fan, 1xSpeed Controller. (GGS Controller Not Include) The 2025 version features a design with an RJ12 port, allowing work with GGS controllers and power strip kits. Adjustments can be made through the Spider Farmer app.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
   
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-9%
Spider Farmer Glowr80 LED grow light designed for optimal indoor plant growth and flowering, featuring advanced lighting technology.
Spider Farmer SF-Glowr40 LED grow light with red spectrum, beneficial for indoor plant growth and flowering.

Pre-order丨Spider Farmer® GlowR80 80W Deep Red Spectrum 660nm Supplemental LED Grow Light for Indoor Plants,Hanging Plug in Grow Lamp for Hydroponic Greenhouse Plants Seedling Veg

$109.99 Original price was: $109.99.$99.99Current price is: $99.99.
Rated 5.00 out of 5
ETA:Nov 30-Dec 15 The SF-GlowR80 LED Grow Light (650-665nm) boosts photosynthesis during flowering and fruiting, ensuring strong plant growth. Wattage – 80W (40W Each Light Bar; 2 pcs) Light size: 3.22ft*0.15ft*0.12ft (1PCS) Max Daisy Chain Number: 8 Single Bars (110V)/ 16 Single Bars (220V) GlowR80 is Suitable for above 500W light as a reference. (SE7000 /G7000 /G8600 /G1000W / SE1000W/ SE1200W), it can also be horizontally or vertically hung separately for any grow space. Designed to fit most lights for added safety and ease of use.
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-6%Sold out
4-Inch Carbon FIlter
Carbon filter for effective indoor air purification by Spider Farmer

Spider Farmer 4 Inch/6 Inch Air Carbon Filter Odor Control for Inline Ducting Fan

$46.99 – $59.99
Package Included: 1 xCarbon Filter, 1xPre-Filter . (The belts are not included in the package.)
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-13%

Spider Farmer DWC Hydroponics Grow System with Top Drip Kit 7 Gallon Deep Water Culture with 8W Air Pump 2 Buckets

6$ OFF when logged in
$109.99 Original price was: $109.99.$95.99Current price is: $95.99.
Rated 5.00 out of 5
New Triangle Cover Design: The innovative triangle cover design allows for easy access to add water and measure liquid parameters, improving overall ease of use. With a 7-gallon capacity, it’s made from high-quality, corrosion-resistant PP (polypropylene) material that is lightweight and durable. Top Irrigation System: Equipped with an adjustable top drip irrigation ring, this system lets you finely adjust the irrigation speed. The 6-inch net cup is made from high-strength PP material, making it incredibly tough and able to provide strong support for healthy, lush plants. Powerful Air Pump: The system includes a powerful air pump that operates at 120V/60Hz, consuming 8W of power with a maximum airflow of 4*63.4 GPH (adjustable). When used with air stones, it effectively delivers oxygen to plant roots, ensuring healthy root development and promoting strong growth for indoor plants. DWC Hydroponic System Kit Includes: 2x 7-gallon DWC buckets, 2x triangle covers, 2x net cups, air pump, 2x air stones, 6 meters of 4/6mm black tubing, dry clay pebbles, 2x water level tubes, 2x drip irrigation rings, user manual, and other accessories.

NOTE:

Each DWC hydroponic bucket has a top diameter of 31cm.

  • For 2 buckets placed side by side, a tent width of at least 70cm is recommended.

  • For 4 buckets placed side by side, a tent width of at least 90cm is recommended.

Please ensure your grow tent is spacious enough for proper airflow and easy maintenance.

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