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Alien Hydroponics  |  SKU: BD100-5321C

Alien Hydroponics RAIN 21 Pot 3 Row Kit

Regular price $3,792.45 USD
Header Option
Pot Size

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Description

Alien Hydroponics RAIN 21 Pot 3 Row Kit

The ALIEN RAIN 21 Pot 3 Row Kit is a versatile and efficient growing system, available in two pot sizes and two header configurations for easy customization. Designed for effortless assembly, it features an advanced setup that allows for an aisle between rows, ensuring full access to all 21 plants. With automated top-feeding, this kit delivers even nutrient distribution for optimal plant growth. Perfect for both beginners and seasoned growers, the ALIEN RAIN Kit simplifies cultivation while maximizing efficiency and results.

Key Features

  • Grow 21 Plants with Precision – Automatic top-feeding system ensures even nutrient distribution.
  • Compatible with Any Growing Medium – Works with soil, coco, hydroton, or any preferred media.
  • Customizable Setup – Choose between 4-gallon (15L) or 8-gallon (30L) pots and configure the system to fit your grow space.
  • Advanced Drainage System – Large 2" (50mm) return drain pipe prevents clogging and promotes complete drainage.
  • Flexible Waste Management – Recirculate runoff back to the reservoir or direct it to a waste drain.
  • Precision Feeding Control – Adjustable cycle timer for ultimate control over feeding frequency and duration.
  • Optimized Root Health – Fabric pot inserts provide superior aeration, while silver heat-reflective polymer pots help regulate root temperature.
  • Easy Maintenance – Integrated, easy-to-clean filter in the separate header simplifies system upkeep.
  • Aisle Configuration Option – Allows for an accessible middle aisle for full plant access.
  • Simple Assembly – No gluing required, with step-by-step setup diagrams included.

Package Includes

  • 21 x ALIEN RAIN Pots (Choose between 4-gallon / 15L or 8-gallon / 30L sizes)
  • 1 x Separate Header with Integrated Filter
  • 1 x Large 2" (50mm) Return Drain Pipe
  • 1 x Drain Pump for Runoff Management
  • 21 x Fabric Pot Inserts for Improved Aeration
  • 21 x Copper Drain Covers to Prevent Root Intrusion
  • 1 x Cycle Timer for Precise Feeding Control
  • Custom Setup Diagram for Easy Installation

Specifications

RAIN 21 Pot 3 Row15L Compact Header 
Kit
Technical Information

Specification Details
Number of Pots 21
Number of Rows 3
Minimum Assembled Size 111⅜" (L) x
43¼" (W)
Maximum Assembled Size 178¾" (L) x
100" (W)
Water Pumps
Included
JET-STREAM DRAIN
Water Pump
1100GPH, Pressure
Water Pump
20
Recommended
Reservoir Tank
145 gallons
550 liters
(not included)
SKU BD100-5321C 

RAIN 21 Pot 3 Row 15L Remote Header 
Kit
Technical Information

Specification Details
Number of Pots 21
Number of Rows 3
Minimum Assembled Size 115⅜" (L) x
43¼" (W)
Maximum Assembled Size 218⅛" (L) x
100" (W)
Water Pumps
Included
JET-STREAM DRAIN
Water Pump
1100GPH, Pressure
Water Pump
20
Recommended
Reservoir Tank
145 gallons
550 liters
(not included)
SKU BD100-5321R 

RAIN 21 Pot 3 Row 30L Compact Header
Kit Technical Information

Specification Details
Number of Pots 21
Number of Rows 3
Minimum Assembled Size 132½" (L) x
52¾" (W)
Maximum Assembled Size 218⅞" (L) x
115" (W)
Water Pumps
Included
JET-STREAM DRAIN
Water Pump
1100GPH, Pressure
Water Pump
20
Recommended
Reservoir Tank
145 gallons
550 liters
(not included)
SKU BD100-6321C

RAIN 21 Pot 3 Row 30L Remote Header 
Kit
Technical Information

Specification Details
Number of Pots 21
Number of Rows 3
Minimum Assembled Size 136⅜" (L) x
52¾" (W)
Maximum Assembled Size 258¼" (L) x
115" (W)
Water Pumps
Included
JET-STREAM DRAIN
Water Pump
1100GPH, Pressure
Water Pump
20
Recommended
Reservoir Tank
145 gallons
550 liters
(not included)
SKU BD100-6321R

Note

RAIN requires a nutrient reservoir / tank to hold the nutrients or water, but a tank is not included with the kit.

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