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Cloud-based Control

Access your grow data, receive alerts, and make changes all via the Web on any mobile phone or desktop device.

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Environmental Controls

No matter what you grow, we have the right controls for you – backed by over a decade of experience.

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Customer Support

Outstanding consultation and customer support that doesn’t end after the sale. Contact us today about your next project.

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These Pros Grow with Link4 Greenhouse Controls

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iPonic 624
Hydroponic Controller

  • Everything you need to control 2 zones
  • Use your cell phone to monitor and change settings
  • Get peace of mind with alerts for temp, humidity, CO2 more
  • UL Listed for safety and easy permits

The iPonic 624 is Link4’s latest hydroponic environmental controller that enables growers to independently control two separate zones from a single, fully-programmable controller – with Cloud-based software access from any Internet-connected computer or smartphone.

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iPonic 614
Hydroponic Controller

  • Everything you need to a single zone
  • Use your smart phone to monitor and change settings
  • Get peace of mind with alerts for temp, humidity, CO2 more
  • UL Listed for safety and easy permits

The original iPonic 614 hydroponic environmental controller enables growers to control a single-zone grow environment with Cloud-based access from any Internet-connected computer or smartphone.

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iPonic Commercial

  • Increase yields, lower electricity bill, save money
  • Use your smart phone to monitor and change settings
  • Get peace of mind with alerts for temperature, humidity, CO2 and more
  • Pre-mounted, pre-wired, and pre-tested

The iPonic 614 and 624 Commercial is designed for your convenience – pre-mounted, pre-wired, and pre-tested. Pre-mounted means an easier and cheaper installation process with no need for separate boxes with conduits in between. Pre-wired means it works as soon as you take it out of the box.

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iPonic Alert

  • Cloud-based monitoring and alarm system
  • Monitor current environmental conditions with any smart phone or Internet-connected device
  • Receive email and text alerts right to your phone
  • Monitor temperature, humidity, CO2 and lighting

Available in single room (614) or two room (624) options, the iPonic Alert is a cloud-based monitoring and alarm system. With simple plug-and-play functionality, any grower can learn what is going on in their grow room – from any Internet connected device.

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The New iDoser: Automatic Dosing & Fertigation Scheduling

  • Stop mixing nutrients by hand
  • Save time by automatically measuring and injecting nutrients
  • Accurate charts increase growth consistency and save time
  • Give your plants the nutrients they need, when they need it!
  • UL Listed for safety and easy permits

Link4’s brand new iDoser is the automated dosing system that growers have been waiting for. Imagine a system that helps to predict your plants needs, even before you do. That kind of control is possible with Link4’s new iDoser system, a stress-free solution for automated dosing and fertigation scheduling.

Automate your Dosing Today!

Control Your Greenhouse with LinkConn

Greenhouse Optimization Software

LinkConn’s smart layout saves time, makes it easy to optimize your growing conditions, allows total control over your equipment, and makes reviewing historical data a snap.

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iGrow 800 Controller

  • Advanced control, affordable price
  • Fully-programmable; expansion to 32 outputs
  • Use your cell phone to monitor and change settings
  • Get peace of mind with alerts for temperature, humidity, CO2 and more
  • UL Listed for safety and easy permits

Get real-time energy use and track run-time on greenhouse heating and cooling equipment with this easy-to-use controller system. The iGrow 800 series offers eight different ouputs for fans, heaters, vents, irrigation, shade curtains (blackout curtains), and more – with Cloud access from any Internet-connected computer or smartphone.

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iGrow 1400 Controller

  • 2 controls in 1: environment and irrigation
  • Total control of your greenhouse operations at your fingertips
  • Control HAF fans, cooling pads, heaters, louvers, vents, pumps and more
  • Save money, save energy
  • UL Listed for safety and easy permits

Whether you’re looking to build, expand, or upgrade your current controller, the iGrow 1400 controllers are the answer to optimizing your greenhouse operations. A compact and highly versatile controller designed to easily control any size greenhouse, the iGrow 1400 has advanced energy-saving features and programming capabilities that make them the perfect control solution for all of your greenhouse needs.

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iGrow1400 Link4 Controls

iGrow 1800 Controller

  • Advanced control, affordable price
  • 24VAC intelligent controlled outputs
  • Advanced irrigation (VDP or Soil Moisture Content)
  • Advanced lighting control (DLI)
  • Providing the plant what it needs for max yield, while greatly reducing manual labor
  • UL Listed for safety and easy permits

The iGrow 1800 offers the finest in outdoor greenhouse and indoor hydroponics experience. With the iGrow 1800, you can increase productivity while reducing energy use and operating costs.  The iGrow 1800 series offers 24VAC intelligent controlled outputs for fans, heaters, vents, irrigation, supplemental light and DLI, shade curtains (blackout curtains), and more.

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Lighting Panels

  • Integrates with Link4 controllers and other leading brands
  • UL Listed for safety and easy permits
  • Easy to use
  • Sensors detect overheating and turn off lights

The right lighting is an essential part of your growing operation. With the GEN 13 & GEN 14 Lighting Panel, you get ultimate of peace of mind and control over your lighting system.

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What’s Growin’ On?

Our blog covers the latest news, video and events at Link4, plus grow tips, product hacks, and smart ways to grow better, no matter what you grow.

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Recent Press

Fresh greens from a shipping container in Alaska’s Aleutian Islands? Believe it.

A young family has begun selling the first year-round, locally grown commercial produce in the unforgiving climate of Unalaska in the Aleutian Islands. Aleutian Greens co-owner Blaine Shaishnikoff said last week that two storms had just blown through the community — and the lettuce and herbs, nestled inside shipping containers set up as hydroponic farms, were unscathed. "You wake up and there's a couple [...]

Featured Blog

Choosing the Best Greenhouse to Fit Your Needs

Whether you want to extend your growing season or provide a safer and more controlled environment to plant your seeds, you must first decide on the type of greenhouse to purchase.  Here are some tips on beginning the process of choosing the best greenhouse for your growing. For starters, decide on the crops you want to grow, quantities and the [...]