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Diagram of a RAIN 9 pot, 3-row, 15L compact header kit hydroponic system with reservoir and piping.
Diagram of RAIN 9 Pot 3 Row 15L Remote Header Kit showing nine grey pots in 3 rows connected to a reservoir via blue pipes.
Diagram: RAIN 9-pot, 3-row, 30L compact header kit with square hydroponic pots, main pipe, and water reservoir.
Diagram of RAIN 9 Pot 3 Row 30L Remote Header Kit: 9 grey pots connected by pipes to a central reservoir.
Diagram of a RAIN 9 pot, 3-row, 15L compact header kit hydroponic system with reservoir and piping.
Diagram of RAIN 9 Pot 3 Row 15L Remote Header Kit showing nine grey pots in 3 rows connected to a reservoir via blue pipes.
Diagram: RAIN 9-pot, 3-row, 30L compact header kit with square hydroponic pots, main pipe, and water reservoir.
Diagram of RAIN 9 Pot 3 Row 30L Remote Header Kit: 9 grey pots connected by pipes to a central reservoir.

Alien Hydroponics RAIN System - 9 Pot 3 Row Kit

Official Alien Hydroponics Dealer Model: BD100-5309C
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 $2,013.15 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Automated top-feeding for 9 plants across a 3-row footprint
  • Dual-Flow fittings and copper covers prevent root-based system clogs
  • Tool-free assembly with threaded fittings and snap-on silver piping
  • View More Details
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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are scaling to a 9 pot layout because managing individual hand-watering cycles is causing uneven growth rates.
  • You are moving to a pressurized rain system because you need even saturation across the entire surface of the medium.

What We Found

  • Those copper drain covers are the unsung heroes here as they stop roots from turning your pipes into a solid plug.
  • The silver piping actually keeps the solution cool even when your lights are pushing high temperatures in the room.

What Users Say

  • Users who switched from hand watering say they reclaimed hours of their week once the rain lids took over the feeding.
  • Growers who struggled with salt buildup report much cleaner media since the rainfall mimic flushes the pots evenly.

Alien Hydroponics RAIN System - 9 Pot 3 Row Kit

Tired of inconsistent watering and nutrient delivery holding back your plants? For growers looking to scale up their operation, ensuring every plant gets precisely what it needs can be a major challenge. The Alien Hydroponics RAIN System - 9 Pot 3 Row Kit eliminates the guesswork by delivering a perfectly balanced solution every time.

This advanced top-feed system mimics the gentle, even coverage of natural rainfall, promoting optimal nutrient absorption, superior oxygenation, and robust root health. Its innovative design is compatible with various growing mediums and actively prevents common issues like root rot, nutrient lockout, and salt buildup. The RAIN system is part of a fully scalable lineup of Alien Hydroponics solutions, allowing you to expand your garden effortlessly. With a simple, no-glue assembly, you can set up this professional-grade system quickly, regardless of your experience level.

Please note: This kit requires a nutrient reservoir, which is not included. We highly recommend pairing it with a compatible tank like the Alien GardenTank 30 Gallon reservoir to complete your setup.

Features

💧
Dual-Flow™ Fittings

Patent-pending fittings ensure a free-flowing system and prevent clogging from roots.

🛡️
Copper Drain Cover

A copper-plated drain cover effectively blocks roots from entering and clogging the pipework.

🌡️
Heat-Resistant Pipes

Heat-reflective silver piping minimizes nutrient solution temperature fluctuations for stable root health.

🌿
Raised Drainage Grid

A sloped base and raised grid ensure efficient, rapid draining to prevent waterlogging.

🧠
RAIN Brain Controller

The included controller and timer ensure your feeding schedules are executed with precision.

🔧
Easy Setup & Maintenance

Threaded fittings and snap-on pipes allow for a glue-free, hassle-free assembly and cleaning.

💪
Durable Construction

Made from high-quality, non-reactive materials to ensure system longevity and reliability.

⚙️
Customizable Layouts

Offers flexible configurations to maximize your growing space with multiple pot sizes and layouts.

What's Included

  • 1x DRAIN Pump Pipe Adapter
  • 1x Pressure Water Pump 20
  • 1x Cycle Timer
  • 1x AERO/RAIN Header Pot Complete 20L
  • 9x AERO/RAIN Pot 15L
  • 1x Silver Lid
  • 9x RAIN Lid Cover
  • 9x RAIN Lid
  • 18x RAIN Lid Clip
  • 1x Header Pot Blank
  • 18x Pot Stand for 15L Pot
  • 9x RAIN Fabric Pot 15L
  • 9x Drain Cover - Copper
  • 2x Elbow 50mm Barbed
  • 1x Tee 50mm Barbed
  • 3x Elbow 50mm Dual Flow
  • 7x Tee 50mm Dual Flow
  • 10x Washer 50 X 64mm
  • 10x Nut 50mm Dual Flow
  • 12x Clamp Size 1
  • 8x Clamp Size 2
  • 3x Valve 16mm Green
  • 3x Plug - 16mm
  • 18x Tee 16mm - 4mm
  • 9x Pot Clip 16mm
  • 2x Elbow 20mm Barbed - 3/4" Female
  • 1x Tee 19mm Barbed - 3/4" Male
  • 2x Elbow 19mm Barbed - 3/4" Male
  • 2x Elbow 19mm Barbed
  • 2x Elbow 25mm Barbed
  • 1x Siphon Tee 19mm Fitting
  • 1x Siphon Tee 25mm Fitting
  • 7x Pipe 16mm Silver Bulk by Meter
  • 4x Pipe 19mm Black Bulk by Meter
  • 3x Pipe 19mm Blue Bulk by Meter
  • 4x Pipe 25mm Blue Bulk by Meter
  • 4x Pipe 4mm Green Bulk by Meter
  • 6x Pipe 50mm Silver 100cm Piece
  • 1x Wrench 50mm
  • 1x Pipe Cutter 50mm
  • 1x RAIN Instructions
  • 1x JET-STREAM DRAIN Water Pump 1100GPH
  • 1x JET-STREAM DRAIN Water Pump Power Adapter

Specifications

Specification Value
Pot Size Options 15L (4 Gallon) or 30L (8 Gallon) versions available
Number of Pots 9
Number of Rows 3
Min Assembled Size (Compact Header) 54¾" L x 43¼" W (15L) / 63¼" L x 52¾" W (30L)
Max Assembled Size (Compact Header) 81⅛" L x 100" W (15L) / 97⅝" L x 115" W (30L)
Min Assembled Size (Remote Header) 58⅝" L x 43¼" W (15L) / 67⅛" L x 52¾" W (30L)
Max Assembled Size (Remote Header) 120½" L x 100" W (15L) / 137" L x 115" W (30L)
Water Pumps Included JET-STREAM DRAIN Water Pump 1100GPH, Pressure Water Pump 20
Recommended Reservoir (Not Included) 30 Gallons / 120 Liters (Minimum)

Setup & Maintenance

System Setup Steps:

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 a 50-75cm center distance between each pot.
  • Alien Hydro recommends a watering frequency of one minute every hour.
  • Regularly check the filter for debris.
  • Minimal cleaning is required when using mineral-based nutrients.
  • Use ROOT ROT X™ to sterilize and keep roots healthy.
  • Flush the system between crop cycles with clean water and disinfectant.
  • Inspect sprinklers to ensure proper misting and water distribution.

Support & Manuals

Warranty

The ALIEN RAIN Top-Feed System is covered by a one-year manufacturer's warranty for your peace of mind.

FAQs

What kind of growing media can I use with the RAIN system?+

The RAIN system is highly versatile and can be used with soil, coco coir, clay pebbles, or any other preferred growing medium. Its design effectively flushes residual salts, making it adaptable for various cultivation styles.

How does the RAIN system prevent root rot?+

The system is engineered for optimal aeration and drainage. The 'rainfall' delivery method saturates the medium evenly without waterlogging, and the sloped base with a raised drainage grid ensures all excess water is removed quickly, keeping the root zone healthy and oxygenated.

Is this system difficult to assemble?+

No, assembly is designed to be straightforward. The kit uses threaded fittings and snap-on pipes, which means there is no gluing required. This makes setup, reconfiguration, and maintenance much simpler compared to other systems.

Can I expand this 9-pot system later on?+

Absolutely. The Alien Hydroponics RAIN system is modular. You can easily expand your setup by adding more pots and rows. For larger configurations, you might consider kits like the 12 Pot 3 Row Kit or even larger setups to match your growing ambitions.

How is the RAIN system different from an RDWC system?+

The RAIN system is a top-feed (drip) system that works with a medium, while an RDWC (Recirculating Deep Water Culture) system, like the Alien RDWC 11 Pot system, submerges the roots directly in an oxygenated nutrient solution. RAIN offers the benefit of using soil or coco, which some growers prefer, while RDWC systems often provide explosive growth with minimal media.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

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