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Active Aqua Grow Flow Ebb and Gro Controller w/ 2 Pumps

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MODEL: GFO7CB
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Active Aqua Grow Flow Ebb and Gro Controller w/ 2 Pumps

Struggling to manually manage water and nutrient delivery across multiple hydroponic modules? The Active Aqua Grow Flow Ebb and Gro Controller eliminates the constant monitoring and manual watering, automating your entire ebb and flow system with precision timing and reliable flood-and-drain cycles.

Designed for growers who want to scale their operations without increasing labor, this controller manages up to 48 Active Aqua hydroponic modules with minimal effort. Whether you're running two-gallon or five-gallon modules, the system ensures every plant receives the exact amount of water and nutrients it needs, exactly when it needs them.

Powered by a premium Grasslin timer and dual 220 GPH pumps, the Ebb and Gro Controller delivers consistent performance cycle after cycle. The adjustable level ladder provides precision filling control, while float switches intelligently direct water flow throughout your system. Built-in overflow protection with an emergency shut-off valve safeguards against overwatering and potential damage to your grow space.

The controller arrives complete with all necessary fittings, grommets, and tubing to connect your modules immediately. Compatible with both 2-gallon and 5-gallon bucket systems, you get the flexibility to design your setup exactly how you need it.


Features

Extensive Power

Manages up to 48 two-gallon modules or 24 five-gallon modules effortlessly with dual 220 GPH pumps.

🛡️
Overflow Protection

Emergency shut-off valve automatically stops the system if overflow is detected, protecting your grow space.

🎯
Precision Filling

Adjustable level ladder allows you to optimize filling levels for different plant sizes and growth stages.

💧
Smart Water Flow

Float switches intelligently control water distribution, ensuring even coverage across all connected modules.


Specifications

Specification Value
Controller Capacity 7 gallons
Pump Quantity 2 submersible pumps (220 GPH each)
Timer Type Premium Grasslin timer
Maximum Module Capacity 48 two-gallon modules or 24 five-gallon modules
Included Tubing 20 feet of 1/2" tubing
Fittings Included 3/4" straight connectors and 3/4"-1/2" reducer fittings
Dimensions (Each) 19.0L x 13.0W x 16.0H inches
Dimensions (Pallet) 48.0L x 40.0W x 68.0H inches
Shipping Weight 20 lbs
Safety Features Emergency shut-off valve, overflow protection

What's Included

  • 1 - 7 gallon controller bucket
  • 1 - Premium Grasslin timer
  • 2 - 220 GPH submersible pumps
  • 4 - 1/2" barbed straight connectors
  • 6 - 3/4" barbed straight connectors
  • 4 - 1/2" rubber grommets
  • 6 - 3/4" rubber grommets
  • 1 - 1/2" barbed elbow (drilled) with vacuum break
  • 1 - 20-foot length of 1/2" tubing
  • 3/4" straight connectors and 3/4"-1/2" reducer fittings (for 2 and 5-gallon bucket compatibility)

Warranty

Active Aqua offers a 3-year warranty on the Grow Flow Ebb and Gro Controller. This warranty does not cover user error or operator abuse.


FAQs

Do I need to purchase buckets separately?+

Yes, this is the controller unit only. You'll need to purchase Active Aqua Grow Flow expansion kits or individual grow modules (2-gallon or 5-gallon buckets) separately. For a complete package, consider the 12 Site Ebb & Flow System, which includes everything you need to get started. The controller can manage up to 48 two-gallon modules or 24 five-gallon modules.

How does the ebb and flow (flood and drain) system work?+

The controller uses timed cycles to pump nutrient solution from the 7-gallon reservoir into your grow buckets (flood phase). After a set time, the solution drains back into the controller reservoir (drain phase). This cycle provides roots with nutrients, water, and oxygen, promoting healthy growth. This method differs from other hydroponic techniques, such as the Active Aqua Root Spa system, where roots are continuously submerged.

What is the Grasslin timer and how do I program it?+

The Grasslin timer is a premium mechanical timer that controls your flood and drain cycles. You can set multiple on/off periods throughout the day by pushing down pins on the timer dial. Most growers run 2-4 flood cycles per day, with each cycle lasting 15-30 minutes depending on plant size and growth stage.

How does the overflow protection work?+

The controller features float switches and an emergency shut-off valve. If the system detects potential overflow conditions (such as a clogged drain or malfunctioning pump), it automatically shuts down to prevent water damage to your grow space.

Can I mix 2-gallon and 5-gallon modules on the same controller?+

While it's technically possible, we don't recommend mixing module sizes on the same controller. The different bucket volumes will fill and drain at different rates, making it difficult to optimize your flood cycles. For best results, use all 2-gallon or all 5-gallon modules with each controller.

What size reservoir do I need for the system?+

The controller has a 7-gallon capacity, but you'll want a much larger external reservoir to supply it. A good rule of thumb is 2-3 gallons per plant minimum. For a system with 24 plants, plan on a 50-75 gallon reservoir. Larger reservoirs, such as the Active Aqua 55 Gallon Drum, provide more stable pH and nutrient levels.

How do I adjust the fill level for my buckets?+

Use the adjustable level ladder inside the controller bucket to set your desired fill height. This controls how high the water rises in your grow buckets during each flood cycle. Start with a lower level for young plants and increase as they grow and develop larger root systems.

What maintenance does the controller require?+

Clean the controller bucket, pumps, and float switches between growing cycles using mild hydrogen peroxide or diluted bleach solution. Check pump intake screens regularly for debris, and inspect all tubing connections for leaks. Replace pump pre-filters as needed to maintain optimal flow rates. For total grow room automation, this controller can be paired with environmental controllers to manage temperature and humidity.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

  • Most orders are processed within 24-48 hours after being placed.
  • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

  • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
  • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
  • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

  • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
  • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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