On orders above $200
Guaranteed or We’ll Match It
No Sales Tax—Except in Michigan
Always hassle free
(844) 873-5764
Take full control of your growing environment with this powerful smart grow controller. Built for serious growers, it delivers automated climate and lighting control through real-time temperature, humidity, and VPD monitoring, expandable sensor integration, and app-based remote access. Whether you’re optimizing a grow tent, climate room, or indoor setup — this model gives you pro-level automation without the hassle.
✅ Quick-Glance Benefits
| 📲 App-Based Control Monitor and manage your grow room remotely with the iControl app. |
| 🌡️ Smart Climate Automation Automatically adjusts fans, humidifiers, and dehumidifiers to ideal settings. |
| 🌱 Stage-Based Grow Modes Custom light and climate settings for seedling, veg, and flower stages. |
| 📡 Expandable Sensor System Compatible with PPFD, soil moisture, and CO₂ sensors (sold separately). |
| 🚚 Fast, U.S. Shipping Delivered quickly from local warehouses straight to your door. |
1x iControl Smart Controller
1x Temp/Humidity 2-in-1 Sensor
1x Power Supply
4x RJ12 T-Shape Splitters
3x 0.82 ft RJ12 Cords
5x 8.2 ft RJ12 Cords
2x Hanging Kits
✔️ Automating lights, fans, humidifiers & dehumidifiers
✔️ Stage-based grow room management
✔️ Remote monitoring & smart alerts
✔️ Advanced sensor integration (PPFD, soil, CO₂)
🔍 Standout Features
| ⚡ Environmental-Responsive Control Maintains ideal conditions automatically using temperature, humidity, and VPD targets. |
| 🕒 Set-and-Forget Automation Automatically switches between growth stages with no daily adjustments needed. |
| 📊 Data Logging & Alerts Access detailed logs and receive instant alerts for spikes, disconnections, or low water levels. |
Environmental-Responsive Control (Major Upgrade)
A true game-changer from the previous generation, the iControl now offers advanced temperature and humidity strategies along with real-time VPD (Vapor Pressure Deficit) monitoring. Simply set your target growing environment, and the controller will automatically adjust connected devices (fans, humidifiers, and dehumidifiers) to maintain ideal conditions throughout the entire grow cycle.
Intelligent Stage-Based Automation
Manage your grow like a pro with scenario-based automation. Customize light and climate strategies for each plant growth stage: seedling, vegetative, flowering, and more. Once set, the system intelligently switches to the next phase based on your preset timeline, ensuring your plants always get what they need. No daily tweaks required, just set it and grow.
Expandable Smart Sensor System (PPFD, Soil, CO₂)
Tailor your grow setup with our expandable sensor kits (sold separately). Monitor and automate based on PPFD, soil moisture, and CO₂ levels: PPFD Sensor: Automatically adjust light intensity for precise light delivery. Soil Sensor: Track soil moisture and nutrient levels to improve root health and watering efficiency. CO₂ Sensor: Trigger your CO₂ generator based on real-time ppm readings. Sensors provide data-driven control, offering deeper insight into your grow and improved plant performance.
Remote App Control, Data Logging & Smart Alerts
Stay connected to your grow room anytime, anywhere. The iControl app offers real-time monitoring, detailed data logs, and instant alerts for issues such as disconnected devices, temperature spikes, or low water levels in humidifiers. Whether you're at home or away, you’ll always know your plants are in good hands.
Order the Mars Hydro iControl Smart Grow Room Controller today and take full control of your environment — with smarter automation and reliable results.
| Voltage | DC12V |
|---|---|
| Humidity Control Range | Yes |
| Temperature Control Range | Yes |
| Dimension | 158*112*37.8mm |
| IP65 WATERPROOF | No |
| Product Countdown End | Sep 10, 2025, 11:59:00 PM |
Manufacturer Warranty: 1 year
Covers defects in materials and workmanship
Support handled directly through our team
Q: Can the iControl controller work with older Mars Hydro iHub or controller models?
A: No. The iControl Smart Controller is only compatible with the new generation iHub devices such as iHub Pro and iHub-4AC. The old iHub and Controller43 cannot be used due to hardware and protocol differences. Likewise, the new iHub-4AC cannot be connected to older controllers.
Q: What types of devices can be connected to the iControl controller, and how many?
A: The iControl can connect to multiple Mars Hydro devices including LED grow lights, clip fans, inline fans, humidifiers, iHub Pro units, and iHub-4AC power strips. The actual number of devices depends on available RJ12 ports and safe load guidelines. Refer to the Mars Hydro user manual for exact port limits and power capacity recommendations.
Q: Can I use multiple phones with the iControl controller and will settings stay synced?
A: Yes. Multiple phones can access the same iControl controller when logged into the same Mars Hydro account over Wi-Fi. All settings and historical data remain synchronized. When connected via Bluetooth, history may not fully sync due to offline local storage limits.
Q: What happens during a power outage? Will devices resume operation?
A: Yes. All Mars Hydro smart devices feature a power-off memory function. Once power is restored, they will automatically resume their previous operating state with minimal or no delay.
Q: How are devices triggered under temperature & humidity strategy mode?
A: In Environmental Strategy mode, the iControl continuously monitors temperature and humidity levels. If either value falls outside your set thresholds, it automatically activates the appropriate connected devices to restore optimal conditions.
Q: How do RJ12 compatibility and product limitations affect device control?
A: Only Mars Hydro devices with RJ12 interfaces can access full smart functions through the iControl and iHub units. Non-RJ12 devices can still connect to the iHub Pro for basic On/Off, Timer, and Environmental Trigger functions, but advanced controls such as dimming or fan speed adjustment are unavailable.
Q: Can I control multiple grow tents with one iHub Pro or one iControl?
A: No. One iControl or iHub Pro can only manage one grow environment at a time. Each controller reads data from a single sensor set, so controlling multiple tents with different conditions requires separate controller/iHub combinations.
Q: How does the new iControl controller differ from the old Controller43?
A: The older Controller43 only supported smart control of LED grow lights. The new iControl adds full climate management, including fans, clip fans, humidifiers, and dehumidifiers. It also introduces VPD strategy, smart alerts, and sensor expansion — offering complete grow room automation.
Q: Can devices without an RJ12 cable be used with the iControl controller?
A: No. The iControl requires RJ12 connections to recognize and control devices. Products without RJ12 interfaces cannot be integrated for smart control.
Q: Are all RJ12 cables from Mars Hydro devices interchangeable?
A: Yes. All RJ12 cables supplied with Mars Hydro smart devices are universal and interchangeable across controllers, fans, lights, and hubs. This standardization simplifies setup and cable management.
Q: How many tents can this device control?
A: The iControl is recommended for use in one tent at a time. Each controller can only read one sensor set, making it impossible to manage multiple environments with different conditions. The system supports up to 2 groups of LED grow lights, 1 group of clip fans, 1 inline fan, and 1 6L humidifier. Daisy-chaining is supported, but all devices in a chain follow the same switching strategy.
Q: Can iControl be used as a standalone smart controller?
A: Yes. The iControl functions as a standalone smart controller and can directly connect to RJ12-compatible grow lights, fans, and humidifiers. It also supports ecosystem expansion with iHub Pro, iHub-4AC, and optional sensors for larger or more complex setups.
We offer free shipping on all orders over $200 shipped to addresses within the continental United States. Orders under $200 will have shipping calculated at checkout. There are no hidden fees or handling charges. The price you see at checkout is the final price you pay.
Orders are typically processed within 1–2 business days (Monday–Friday). If an item is temporarily backordered or delayed, we’ll notify you by email with an updated shipping estimate.
Once your order has shipped, we’ll email you a shipping confirmation that includes tracking information. You can use this to monitor the delivery status of your package in real time.
We partner with trusted suppliers and manufacturers who maintain warehouse locations throughout the United States. Orders are typically shipped from the facility closest to your delivery address to ensure faster transit times and greater efficiency. Some orders may ship in multiple packages depending on item availability and warehouse location.
Most orders arrive within 3–7 business days of shipping, depending on your location and the item’s warehouse origin. Freight items and oversized packages may take additional time.
We use trusted carriers such as FedEx, UPS, USPS, and professional freight delivery services for large or heavy items. Depending on the size of your order, it may arrive in multiple packages or from multiple warehouses.
Please note: We do not offer moving or installation services. For freight shipments or large items, carriers are only responsible for curbside delivery. Drivers are not required to move items inside your home, up stairs, or to specific locations. We strongly recommend having assistance available at the time of delivery for heavy or bulky shipments.
Please ensure your shipping address is correct at the time of checkout. Once an order has shipped, we are unable to change the delivery address or reroute the shipment. If you need to make changes to your order, contact us immediately after placing it.
If your order arrives damaged or appears to be lost in transit, contact us within 48 hours of delivery (or expected delivery). We will work with the carrier to resolve the issue as quickly as possible.
We currently ship only to addresses within the continental United States. We do not ship to Alaska, Hawaii, U.S. territories, or international destinations.
If you have questions about your order, delivery, or shipping process, feel free to reach out to us through our Contact Us page or via email (sales@gardengrowshop.com ). We’re here to help.
Start of Returns section
Easy Returns, No Surprises
At Garden GrowShop, we stand behind the quality of every product we carry. But we also understand that sometimes things just don’t work out — and that’s okay. If you change your mind or the item isn’t quite what you expected, we’ve got you covered.
You have 30 days from the date of delivery to request a return for any reason. To start a return, simply email us at sales@gardengrowshop.com with your order number and we’ll walk you through the process.
Here’s what to expect:
You’ll receive clear return instructions from our team.
Once your item is received and inspected, we’ll issue a refund to your original payment method.
Items must be returned in “like new” condition, with all original packaging and accessories.
Return shipping costs are the responsibility of the customer.
“Like new” means no visible wear, damage, or missing parts. Items showing signs of use or misuse may not qualify for a refund.
If your order arrives damaged or defective, don’t worry — we’ll take care of it.
Here’s what to do:
Note any damage with the delivery driver when signing for the package.
Email photos and a description of the issue to sales@gardengrowshop.com on the same day you receive it.
We’ll cover the cost of return shipping and make sure a replacement is sent out quickly.
Please keep all original packaging in case a return is needed. This helps speed up the process and ensures a smooth resolution.
If you need to cancel your order, please contact us as soon as possible at sales@gardengrowshop.com or by phone.
Cancellations before shipment receive a full refund.
Cancellations after shipment will follow our standard return policy and may be subject to return shipping costs.
Certain products may have brand-specific return restrictions, which will be noted on the product page.
Products purchased for temporary or single-use purposes (e.g. trade shows, promotional events) are not eligible for return.
We’re Here to Help
Our goal is to make returns and exchanges as easy as possible — with no stress and no surprises. If you’re unsure whether your order qualifies or just want to ask a question, don’t hesitate to reach out. We’re here to make sure you feel confident before and after your purchase.
We’re an authorized dealer for every brand we sell—so you’ll always get full manufacturer warranties, premium support, and authentic gear direct from the source.
✅ Fast, tracked shipping on all orders
✅ 100% safe and secure checkout
✅ No restocking fees on returns
✅ Friendly U.S.-based support when you need it
Have questions? We're here to help. Whether you're just getting started or scaling up a full grow, our experts can guide you to the right gear.
Take full control of your growing environment with this powerful smart grow controller. Built for serious growers, it delivers automated climate and lighting control through real-time temperature, humidity, and VPD monitoring, expandable sensor integration, and app-based remote access. Whether you’re optimizing a grow tent, climate room, or indoor setup — this model gives you pro-level automation without the hassle.
✅ Quick-Glance Benefits
| 📲 App-Based Control Monitor and manage your grow room remotely with the iControl app. |
| 🌡️ Smart Climate Automation Automatically adjusts fans, humidifiers, and dehumidifiers to ideal settings. |
| 🌱 Stage-Based Grow Modes Custom light and climate settings for seedling, veg, and flower stages. |
| 📡 Expandable Sensor System Compatible with PPFD, soil moisture, and CO₂ sensors (sold separately). |
| 🚚 Fast, U.S. Shipping Delivered quickly from local warehouses straight to your door. |
1x iControl Smart Controller
1x Temp/Humidity 2-in-1 Sensor
1x Power Supply
4x RJ12 T-Shape Splitters
3x 0.82 ft RJ12 Cords
5x 8.2 ft RJ12 Cords
2x Hanging Kits
✔️ Automating lights, fans, humidifiers & dehumidifiers
✔️ Stage-based grow room management
✔️ Remote monitoring & smart alerts
✔️ Advanced sensor integration (PPFD, soil, CO₂)
🔍 Standout Features
| ⚡ Environmental-Responsive Control Maintains ideal conditions automatically using temperature, humidity, and VPD targets. |
| 🕒 Set-and-Forget Automation Automatically switches between growth stages with no daily adjustments needed. |
| 📊 Data Logging & Alerts Access detailed logs and receive instant alerts for spikes, disconnections, or low water levels. |
Environmental-Responsive Control (Major Upgrade)
A true game-changer from the previous generation, the iControl now offers advanced temperature and humidity strategies along with real-time VPD (Vapor Pressure Deficit) monitoring. Simply set your target growing environment, and the controller will automatically adjust connected devices (fans, humidifiers, and dehumidifiers) to maintain ideal conditions throughout the entire grow cycle.
Intelligent Stage-Based Automation
Manage your grow like a pro with scenario-based automation. Customize light and climate strategies for each plant growth stage: seedling, vegetative, flowering, and more. Once set, the system intelligently switches to the next phase based on your preset timeline, ensuring your plants always get what they need. No daily tweaks required, just set it and grow.
Expandable Smart Sensor System (PPFD, Soil, CO₂)
Tailor your grow setup with our expandable sensor kits (sold separately). Monitor and automate based on PPFD, soil moisture, and CO₂ levels: PPFD Sensor: Automatically adjust light intensity for precise light delivery. Soil Sensor: Track soil moisture and nutrient levels to improve root health and watering efficiency. CO₂ Sensor: Trigger your CO₂ generator based on real-time ppm readings. Sensors provide data-driven control, offering deeper insight into your grow and improved plant performance.
Remote App Control, Data Logging & Smart Alerts
Stay connected to your grow room anytime, anywhere. The iControl app offers real-time monitoring, detailed data logs, and instant alerts for issues such as disconnected devices, temperature spikes, or low water levels in humidifiers. Whether you're at home or away, you’ll always know your plants are in good hands.
Order the Mars Hydro iControl Smart Grow Room Controller today and take full control of your environment — with smarter automation and reliable results.
| Voltage | DC12V |
|---|---|
| Humidity Control Range | Yes |
| Temperature Control Range | Yes |
| Dimension | 158*112*37.8mm |
| IP65 WATERPROOF | No |
| Product Countdown End | Sep 10, 2025, 11:59:00 PM |
Manufacturer Warranty: 1 year
Covers defects in materials and workmanship
Support handled directly through our team
Q: Can the iControl controller work with older Mars Hydro iHub or controller models?
A: No. The iControl Smart Controller is only compatible with the new generation iHub devices such as iHub Pro and iHub-4AC. The old iHub and Controller43 cannot be used due to hardware and protocol differences. Likewise, the new iHub-4AC cannot be connected to older controllers.
Q: What types of devices can be connected to the iControl controller, and how many?
A: The iControl can connect to multiple Mars Hydro devices including LED grow lights, clip fans, inline fans, humidifiers, iHub Pro units, and iHub-4AC power strips. The actual number of devices depends on available RJ12 ports and safe load guidelines. Refer to the Mars Hydro user manual for exact port limits and power capacity recommendations.
Q: Can I use multiple phones with the iControl controller and will settings stay synced?
A: Yes. Multiple phones can access the same iControl controller when logged into the same Mars Hydro account over Wi-Fi. All settings and historical data remain synchronized. When connected via Bluetooth, history may not fully sync due to offline local storage limits.
Q: What happens during a power outage? Will devices resume operation?
A: Yes. All Mars Hydro smart devices feature a power-off memory function. Once power is restored, they will automatically resume their previous operating state with minimal or no delay.
Q: How are devices triggered under temperature & humidity strategy mode?
A: In Environmental Strategy mode, the iControl continuously monitors temperature and humidity levels. If either value falls outside your set thresholds, it automatically activates the appropriate connected devices to restore optimal conditions.
Q: How do RJ12 compatibility and product limitations affect device control?
A: Only Mars Hydro devices with RJ12 interfaces can access full smart functions through the iControl and iHub units. Non-RJ12 devices can still connect to the iHub Pro for basic On/Off, Timer, and Environmental Trigger functions, but advanced controls such as dimming or fan speed adjustment are unavailable.
Q: Can I control multiple grow tents with one iHub Pro or one iControl?
A: No. One iControl or iHub Pro can only manage one grow environment at a time. Each controller reads data from a single sensor set, so controlling multiple tents with different conditions requires separate controller/iHub combinations.
Q: How does the new iControl controller differ from the old Controller43?
A: The older Controller43 only supported smart control of LED grow lights. The new iControl adds full climate management, including fans, clip fans, humidifiers, and dehumidifiers. It also introduces VPD strategy, smart alerts, and sensor expansion — offering complete grow room automation.
Q: Can devices without an RJ12 cable be used with the iControl controller?
A: No. The iControl requires RJ12 connections to recognize and control devices. Products without RJ12 interfaces cannot be integrated for smart control.
Q: Are all RJ12 cables from Mars Hydro devices interchangeable?
A: Yes. All RJ12 cables supplied with Mars Hydro smart devices are universal and interchangeable across controllers, fans, lights, and hubs. This standardization simplifies setup and cable management.
Q: How many tents can this device control?
A: The iControl is recommended for use in one tent at a time. Each controller can only read one sensor set, making it impossible to manage multiple environments with different conditions. The system supports up to 2 groups of LED grow lights, 1 group of clip fans, 1 inline fan, and 1 6L humidifier. Daisy-chaining is supported, but all devices in a chain follow the same switching strategy.
Q: Can iControl be used as a standalone smart controller?
A: Yes. The iControl functions as a standalone smart controller and can directly connect to RJ12-compatible grow lights, fans, and humidifiers. It also supports ecosystem expansion with iHub Pro, iHub-4AC, and optional sensors for larger or more complex setups.
We offer free shipping on all orders over $200 shipped to addresses within the continental United States. Orders under $200 will have shipping calculated at checkout. There are no hidden fees or handling charges. The price you see at checkout is the final price you pay.
Orders are typically processed within 1–2 business days (Monday–Friday). If an item is temporarily backordered or delayed, we’ll notify you by email with an updated shipping estimate.
Once your order has shipped, we’ll email you a shipping confirmation that includes tracking information. You can use this to monitor the delivery status of your package in real time.
We partner with trusted suppliers and manufacturers who maintain warehouse locations throughout the United States. Orders are typically shipped from the facility closest to your delivery address to ensure faster transit times and greater efficiency. Some orders may ship in multiple packages depending on item availability and warehouse location.
Most orders arrive within 3–7 business days of shipping, depending on your location and the item’s warehouse origin. Freight items and oversized packages may take additional time.
We use trusted carriers such as FedEx, UPS, USPS, and professional freight delivery services for large or heavy items. Depending on the size of your order, it may arrive in multiple packages or from multiple warehouses.
Please note: We do not offer moving or installation services. For freight shipments or large items, carriers are only responsible for curbside delivery. Drivers are not required to move items inside your home, up stairs, or to specific locations. We strongly recommend having assistance available at the time of delivery for heavy or bulky shipments.
Please ensure your shipping address is correct at the time of checkout. Once an order has shipped, we are unable to change the delivery address or reroute the shipment. If you need to make changes to your order, contact us immediately after placing it.
If your order arrives damaged or appears to be lost in transit, contact us within 48 hours of delivery (or expected delivery). We will work with the carrier to resolve the issue as quickly as possible.
We currently ship only to addresses within the continental United States. We do not ship to Alaska, Hawaii, U.S. territories, or international destinations.
If you have questions about your order, delivery, or shipping process, feel free to reach out to us through our Contact Us page or via email (sales@gardengrowshop.com ). We’re here to help.
Start of Returns section
Easy Returns, No Surprises
At Garden GrowShop, we stand behind the quality of every product we carry. But we also understand that sometimes things just don’t work out — and that’s okay. If you change your mind or the item isn’t quite what you expected, we’ve got you covered.
You have 30 days from the date of delivery to request a return for any reason. To start a return, simply email us at sales@gardengrowshop.com with your order number and we’ll walk you through the process.
Here’s what to expect:
You’ll receive clear return instructions from our team.
Once your item is received and inspected, we’ll issue a refund to your original payment method.
Items must be returned in “like new” condition, with all original packaging and accessories.
Return shipping costs are the responsibility of the customer.
“Like new” means no visible wear, damage, or missing parts. Items showing signs of use or misuse may not qualify for a refund.
If your order arrives damaged or defective, don’t worry — we’ll take care of it.
Here’s what to do:
Note any damage with the delivery driver when signing for the package.
Email photos and a description of the issue to sales@gardengrowshop.com on the same day you receive it.
We’ll cover the cost of return shipping and make sure a replacement is sent out quickly.
Please keep all original packaging in case a return is needed. This helps speed up the process and ensures a smooth resolution.
If you need to cancel your order, please contact us as soon as possible at sales@gardengrowshop.com or by phone.
Cancellations before shipment receive a full refund.
Cancellations after shipment will follow our standard return policy and may be subject to return shipping costs.
Certain products may have brand-specific return restrictions, which will be noted on the product page.
Products purchased for temporary or single-use purposes (e.g. trade shows, promotional events) are not eligible for return.
We’re Here to Help
Our goal is to make returns and exchanges as easy as possible — with no stress and no surprises. If you’re unsure whether your order qualifies or just want to ask a question, don’t hesitate to reach out. We’re here to make sure you feel confident before and after your purchase.
We’re an authorized dealer for every brand we sell—so you’ll always get full manufacturer warranties, premium support, and authentic gear direct from the source.
✅ Fast, tracked shipping on all orders
✅ 100% safe and secure checkout
✅ No restocking fees on returns
✅ Friendly U.S.-based support when you need it
Have questions? We're here to help. Whether you're just getting started or scaling up a full grow, our experts can guide you to the right gear.
