What Is PPM – A Beginner’s Guide to Parts Per Million
PPM measures how concentrated dissolved nutrients and salts are in your watering or hydroponic solution. Here, we’ll explain why PPM is important and how to calculate it.
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Grow Genius System
Updated New Version | 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
Original price was: $95.99.$89.99Current price is: $89.99.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
Original price was: $119.99.$109.99Current price is: $109.99.Spider Farmer 3 Pcs GGS 3-in-1 Soil Sensor Pro | Accurate Drip Irrigation Control, Substrate Type Selection, Monitoring Real-Time Soil EC, Temperature, and Moisture
Original price was: $89.99.$79.99Current price is: $79.99.New Arrival Spider Farmer GGS Pro Controller Kits | Integrated Climate Management of 8 Large-Scale Independent Grow Spaces | Ideal for Industrial & Commercial Grow planners| Temperature, Humidity, VPD Monitoring, Scheduling, Data Tracking, Bluetooth & WiFi
Original price was: $369.99.$351.99Current price is: $351.99.
Grow Tent Kits
Spider Farmer® 2’x2′ Complete Grow Tent Kit丨SF1000 301H EVO Full Spectrum LED Grow Light丨4” Ventilation System with Speed Controller With RJ12 port
Original price was: $379.99.$319.99Current price is: $319.99.Half-Price pH Pen | Spider Farmer® 2’x2′X4.6′ Complete Grow Tent Kit丨SF1000D Full Spectrum LED Grow Light丨6” Clip Fan丨4” Ventilation System with Speed Controller
Original price was: $349.99.$299.99Current price is: $299.99.Half-Price pH Pen | Spider Farmer® 2’x2′ Complete Grow Tent Kit丨SF1000 301H EVO Full Spectrum LED Grow Light丨6” Clip Fan丨4” Ventilation System with GGS Controller
Original price was: $419.99.$369.99Current price is: $369.99.[SALE] Smart Grow Tent Kit | G1500 Full Spectrum LED | 4″ Ventilation System | 6” Clip Fan | 2.3’x2.3’x5.2′ Grow Tent | APP Control via Bluetooth & Wi-Fi for Automated Lighting, Ventilation & Circulation
Original price was: $461.99.$376.99Current price is: $376.99.Spider Farmer® G1500 150W Full Spectrum LED Grow Light丨2’x2’x6′ Grow Tent Kits
Original price was: $269.99.$199.99Current price is: $199.99.Spider Farmer 2.3’x2.3’x5.2′ Complete Grow Tent Kits I SE1500 EVO 150W Led Grow Light I 4-inch Inline Fan with GGS Controller Kits I Clip Fan
Original price was: $481.96.$388.99Current price is: $388.99.Spider Farmer Complete Grow Tent Kit – SF1000 EVO 100W LED Lighting & 2×2 Grow Tent for 1-2 Plant Setup, 2000D Mylar with High Reflectivity, Large Zippered Window
Original price was: $229.99.$171.99Current price is: $171.99.Spider Farmer Complete Grow Tent Kit – SE1500 EVO 150W LED Lighting & 2×2 Grow Tent for 1-2 Plant Setup, 2000D Mylar with High Reflectivity, Large Zippered Window
Original price was: $289.99.$212.99Current price is: $212.99.Spider Farmer 60x60x80cm Propagation Grow Tent Kit with SF1000 LED Light, 2000D Reflective Mylar Tent for Seed Starting, Cloning & Early Growth
Original price was: $199.99.$146.99Current price is: $146.99.
Led Grow Lights
Sale | 2026 Spider Farmer® G8600 800W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield LED Grow Light for 4X4 / 5X5 Grow Tent
Original price was: $569.99.$484.99Current price is: $484.99.Sale | 2026 Spider Farmer® G4500 320W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield LED Grow Light for 2X4 / 3X5 Grow Tent
Original price was: $269.99.$239.99Current price is: $239.99.Sale | 2026 Spider Farmer® G3000 300W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum LED Grow Light for 3X3 Grow Tent
Original price was: $229.99.$199.99Current price is: $199.99.Sale | 2026 Spider Farmer® G5000 480W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield Commercial LED Grow Light for 4X4 Grow Tent
Original price was: $369.99.$339.99Current price is: $339.99.Sale | 2026 Spider Farmer® G1000W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield Commercial LED Grow Light for 5X5 Grow Tent
Original price was: $779.99.$626.99Current price is: $626.99.2026 Spider Farmer® G7000 730W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield LED Grow Light for 4X4 / 5X5FT Grow Tent
Original price was: $499.99.$399.99Current price is: $399.99.Sale | 2026 Spider Farmer® G1500 150W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield LED Grow Light for 2X2 / 3X3 Grow Tent
Original price was: $149.99.$129.99Current price is: $129.99.[NEW ARRIVAL] 2026 Spider Farmer® G1200W WiFi & Bluetooth App-Controlled Dimmable Cost effective Full Spectrum High Yield Commercial LED Grow Light for 4X6FT Grow Tent
Original price was: $839.99.$797.99Current price is: $797.99.
Ventilation System
Spider Farmer® 4” Inline duct Fan Kits 205 CFM with Speed Controller, Carbon Filter Grow Tent Ventilation System, GGS Controller Controllable
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Spider Farmer 6″ Inline Ducting Fan with Speed Controller & Carbon Filter Ventilation System for Grow Tents, GGS Controller Controllable
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Spider Farmer® 4″ Inch Inline Fan 205 CFM with Speed Controller RJ12 Port, Grow Tent Ventilation, GGS Controller Compatible
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: 1×4″ Inline fan, 1xSpeed Controller (GGS Controller Not Include)
Spider Farmer® 6″ Inline Fan 402CFM with Speed Controller RJ12 Port, GGS Controller Compatible
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)
Spider Farmer® 4″ Inline Fan 205 CFM with GGS Controller Ventilation System for Indoor Grow
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Pre-order I Spider Farmer®6″ Inline Fan with GGS Controller 402 CFM Ventilation System for Grow Tents
Note: It's pre-order now, ETA is January 25-30
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Spider Farmer®100mm 4″ Inline Fan for Indoor Grow 205CFM with GGS Controller, Carbon Filter & Ducting Combo
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Spider Farmer®6” Inline Fan Kits 402CFM with GGS Controller Carbon Filter & Ducting Combo Grow Tent Ventilation System
- Four operating modes can be selected
- Set start & stop times
- Set running & standby speeds
- CO2 device On/Off control
Grow Tent
Sale | Upgraded Spider Farmer® 5’x5’x6.5′ 150cm x 150cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $199.99.$179.99Current price is: $179.99.Upgraded Spider Farmer 8’x8’x6.5′ 240cm x 240cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $353.99.$339.99Current price is: $339.99.Upgraded Spider Farmer® 4’x2’x5′ 120cm x 60cm x 150cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $109.99.$104.99Current price is: $104.99.Upgraded Spider Farmer® 8’x4’x6.5′ 240cm x 120cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $275.99.$229.99Current price is: $229.99.Sale | Upgraded Spider Farmer® 4’x4’x6.5′ 120cm x 120cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $145.99.$129.99Current price is: $129.99.Winter Energy-Saving Grow Tent Kit | Spider Farmer 3’x3’x6′ Grow Tent + Grow Tent Insulation Cover
Original price was: $219.99.$185.99Current price is: $185.99.Winter Energy-Saving Grow Tent Kit | Spider Farmer 4’x4′X6.5′ Grow Tent + Grow Tent Insulation Cover
Original price was: $255.99.$209.99Current price is: $209.99.Winter Energy-Saving Grow Tent Kit | Spider Farmer 4.6’x2.3’x6.5′ Grow Tent + Grow Tent Insulation Cover
Original price was: $239.99.$199.99Current price is: $199.99.Upgraded Spider Farmer® 4.6’x2.3’x6.5′ 140cm x 70cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $139.99.$124.99Current price is: $124.99.Sale | Upgraded Spider Farmer® 3’x3’x6′ 90cm x 90cm x 180cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $119.99.$114.99Current price is: $114.99.Upgraded Spider Farmer 10’x5’x6.5′ 300cm x 150cm x 200cm Indoor Grow Tent 1680D Hydroponic Plant Room for Optimal Plant Growth & Climate Control
Original price was: $289.99.$279.99Current price is: $279.99.
Veg, Clone & Succulent Lights
Pre-order丨2026 Newest Version Spider Farmer 6 Tier Plant Stand With Grow Lights 220W , Plant Shelf with 1680D Grow Tent for Seedling Indoor Plant, Cloning and Greenhouse
Original price was: $319.99.$299.99Current price is: $299.99.2026 Newest Version Spider Farmer 4 Tier Plant Stand With Grow Lights 108W , Plant Shelf with 1680D Grow Tent for Seedling Indoor Plant，Cloning and Greenhouse
Original price was: $209.99.$169.99Current price is: $169.99.Pre-order丨2026 Newest Version Spider Farmer 6 Tier Plant Stand With Grow Lights 220W with 1680D Grow Tent，4 pcs Seed Starter Trays
Original price was: $349.98.$299.99Current price is: $299.99.Pre-order丨2026 Newest Version Spider Farmer 4 Tier Plant Stand With Grow Lights 108W, 1680D Grow Tent, 4 pcs Seed Starter Trays, And 10”X20.75” Seedling Heat Mat
Original price was: $251.97.$209.99Current price is: $209.99.BECOME A PART OF MEMBER
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