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RDWC 4 Pot 2 Row 20L Compact Header Kit with Air Pump: top-down view of 4 square pots, reservoir, pump, and pipes.
Top-down view: RDWC 4-pot, 2-row 20L remote header hydroponics kit with air pump, interconnected pots & reservoir.
Top-down diagram of Alien Hydroponics RDWC 4 pot 2 row 20L remote header kit with interconnected pots and tubing.
RDWC 4 pot 2 row compact header kit hydroponic system with air pump, reservoir, and connecting tubes.
Alien Hydroponics RDWC 4 pot 2 row 36L compact header kit from overhead, showing pots, reservoir, and tubing.
Top-down view of an RDWC 4-pot 2-row 36L remote header hydroponics kit with air pump, connecting pots to a reservoir.
Top-down view: 4-pot, 2-row RDWC hydroponic grow system kit with pump and remote reservoir.
Overhead view of an RDWC 4-pot 2-row hydroponic system: grey square pots, blue/grey tubing, and a reservoir.
RDWC 4 Pot 2 Row 20L Compact Header Kit with Air Pump: top-down view of 4 square pots, reservoir, pump, and pipes.
Top-down view: RDWC 4-pot, 2-row 20L remote header hydroponics kit with air pump, interconnected pots & reservoir.
Top-down diagram of Alien Hydroponics RDWC 4 pot 2 row 20L remote header kit with interconnected pots and tubing.
RDWC 4 pot 2 row compact header kit hydroponic system with air pump, reservoir, and connecting tubes.
Alien Hydroponics RDWC 4 pot 2 row 36L compact header kit from overhead, showing pots, reservoir, and tubing.
Top-down view of an RDWC 4-pot 2-row 36L remote header hydroponics kit with air pump, connecting pots to a reservoir.
Top-down view: 4-pot, 2-row RDWC hydroponic grow system kit with pump and remote reservoir.
Overhead view of an RDWC 4-pot 2-row hydroponic system: grey square pots, blue/grey tubing, and a reservoir.

Alien Hydroponics RDWC - 4 Pot 2 Row

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MODEL: BD100-1204C
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Alien Hydroponics RDWC - 4 Pot 2 Row

Tired of slow growth and root zone headaches? The Alien Hydroponics RDWC 4 Pot 2 Row system delivers professional recirculating deep water culture performance in a compact, manageable footprint. Engineered for explosive growth and maximum yields, this system ensures your plants receive constant, super-oxygenated nutrient solution directly to the roots.

This complete kit is perfect for growers who want to level up their cultivation without the complexity. By constantly circulating nutrients, it creates the perfect environment for rapid, healthy development while eliminating common issues like root rot and nutrient stagnation. This 4-pot system is a standout in the Alien Hydroponics RDWC lineup, offering an ideal starting point with easy expansion options like the Alien Hydroponics RDWC - 12 Pot 2 Row for larger-scale operations.

Alien Hydroponics RDWC 4 Pot 2 Row complete kit setup

Features

🌱
Accelerated Growth

Reduces vegetative time and boosts flowering for faster, larger harvests.

💧
Enhanced Flow

Oversized 2" Dual-Flow™ fittings minimize root blockage for consistent nutrient delivery.

🔧
Modular & Scalable

Easily adapts to any grow space and allows for simple expansion as your needs evolve.

💰
Cost-Efficient

Requires minimal medium and recirculates solution, reducing setup and operational costs.

💨
Superior Oxygenation

JET-STREAM A.I.R.™ rings provide constant high-pressure oxygen for explosive root development.

🛠️
Easy Setup & Maintenance

Threaded fittings and snap-on pipes allow for a glue-free, tool-free setup and easy cleaning.

🌡️
Heat-Reflective Design

Silver polymer construction reflects heat, keeping nutrient solution temperatures stable and cool.

⚙️
Customizable Layout

Offers flexible configurations with remote header and multiple pot sizes to fit any space.

What's Included

  • 1x RDWC Circulation Water Pump 10
  • 1x RDWC Header Pot Complete
  • 4x RDWC Pot 20L
  • 5x Silver Lid
  • 1x Header Pot Blank
  • 4x Square Net Pot
  • 4x Air Injection Ring
  • 4x Elbow 50mm Dual Flow
  • 4x 50mm Straight Dual Flow
  • 1x Tee 50mm Dual Flow
  • 9x Washer 50 X 64mm
  • 9x Nut 50mm Dual Flow
  • 1x RDWC Tee, Ball Valve and Filter
  • 1x Tee 16mm Barbed
  • 2x Plug - 16mm
  • 1x Elbow 16mm Barbed
  • 4x Tee 16mm - 6mm Blue
  • 4x Pot Clip 16mm
  • 3m Pipe 6mm Blue Bulk
  • 4m Pipe 16mm Silver Bulk
  • 2m Pipe 19mm Blue Bulk
  • 3x Pipe 50mm Silver 66cm Piece
  • 1x Wrench 50mm
  • 1x Pipe Cutter 50mm
  • 1x RDWC Instructions

Setup and Maintenance

1. Prepare Pots

Attach the necessary fittings to the pots.

2. Connect the System

Use piping to connect the pots and the header pot to establish the recirculating network.

3. Install Air System

Set up the air pump and connect it to the air stones in the pots.

4. Integrate Pumps

Install the water pump(s) for recirculation and chilling (if applicable).

5. Set Up Nutrient Tank

Connect the nutrient tank to the system.

6. Fill the System

Add water to the system.

Maintenance Tips:

  • Maintain water temperature between 18-20°C (64-68°F).
  • Add nutrients to the system and allow for recirculation before testing and adjusting.
  • When planting, use a substrate layer in the net pot, water the cutting, and fill the remaining space with substrate.
  • Fill the system using a hose, ensuring the correct level before turning on the pump.
  • Drain the system as needed by connecting a pipe to the designated fitting.
  • Use preventative solutions to maintain root health and system cleanliness.

Specifications

Specification Value
Number of pots 4
Number of rows 2
Kit total fluid volume (20L version) 21.1 gallons / 80 liters
Kit total fluid volume (36L version) 34.7 gallons / 131.2 liters
Min. assembled size (20L version) 42.125" (L) x 31.125" (W)
Min. assembled size (36L version) 48.875" (L) x 37.375" (W)
Max. assembled size - Compact Header (20L) 51.625" (L) x 37" (W)
Max. assembled size - Remote Header (20L) 91" (L) x 37" (W)
Water Pump (20L version) RDWC Circulation Water Pump 10: 250 GPH, 24 Watts
Air Pump Option (With) Air Pump 4: 10.6 gal/min (40 L/min), 30 watts

Support & Manuals

Warranty

The Alien Hydroponics RDWC system comes with a one-year warranty for your peace of mind.

FAQs

What is RDWC and how is it different from standard DWC?+

RDWC stands for Recirculating Deep Water Culture. Unlike standard DWC where each pot is a standalone system, RDWC connects all pots and constantly circulates the water. This creates a more stable environment with consistent pH, EC, and temperature levels. It's an advanced method of DWC hydroponics designed for superior results.

Is this system suitable for beginners?+

While it uses professional-grade technology, the tool-free setup and stable growing environment make it a great choice for ambitious beginners looking to achieve amazing results. If you are looking for other professional options, check out the full Alien Hydroponics collection.

Can I expand this 4-pot system later?+

Absolutely. The modular design is a key feature. You can easily add more pots or upgrade to a larger configuration like the Alien Hydroponics RDWC - 8 Pot 1 Row. Explore our full range of RDWC hydroponic systems to find the perfect fit.

What kind of plants can I grow in this system?+

This system is ideal for high-oxygen plants, including heavy-feeding annuals like tomatoes, peppers, and cucumbers, as well as leafy greens and herbs.

Do I need to buy an air pump separately?+

The system is available with or without an air pump. If you select 'Without Air Pump,' you will need to provide your own pump capable of delivering at least 10.6 gallons per minute (40 L/min).

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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