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RAIN 3 Pot 3 Row 15L Compact Header Kit diagram. Three stacked pots connect to a header and reservoir.
RAIN 3 Pot 3 Row 15L Remote Header Kit. Three vertical grey pots connected to a remote header via blue and grey pipes.
RAIN 3 Pot 3 Row 30L Compact Header Kit: overhead view of three square gray pots connected to a blue header pipe.
Three square RAIN modules in a vertical row, plumbed with blue/black pipes to a central header tank.
RAIN 3 Pot 3 Row 15L Compact Header Kit diagram. Three stacked pots connect to a header and reservoir.
RAIN 3 Pot 3 Row 15L Remote Header Kit. Three vertical grey pots connected to a remote header via blue and grey pipes.
RAIN 3 Pot 3 Row 30L Compact Header Kit: overhead view of three square gray pots connected to a blue header pipe.
Three square RAIN modules in a vertical row, plumbed with blue/black pipes to a central header tank.

Alien Hydroponics RAIN System - 3 Pot 3 Row Kit

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MODEL: BD100-5303C
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Alien Hydroponics RAIN System - 3 Pot 3 Row Kit

Struggling with inconsistent watering and nutrient delivery in your garden? The Alien Hydroponics RAIN System is engineered to solve that problem. This innovative 3-pot, 3-row top-feed kit mimics natural rainfall, ensuring every plant receives a perfectly balanced and even distribution of water and nutrients for explosive growth.

Designed for both beginner growers and seasoned hobbyists, the RAIN system promotes superior oxygenation and root health while preventing common issues like root rot and salt buildup. Its versatile design is compatible with a wide range of growing mediums. This system is part of a larger family of advanced Alien Hydroponics systems, offering solutions for every type of grower, from simple gravity-fed setups like the EasyFeed System to advanced AERO systems.

Please note: A nutrient reservoir/tank is required to operate the RAIN system but is not included. We recommend compatible GardenTank collapsible tanks, or you can supply your own.

What's Included

  • 1x DRAIN Pump Pipe Adapter
  • 1x Pressure Water Pump 20
  • 1x Cycle Timer
  • 1x AERO/RAIN Header Pot Complete 20L
  • 3x AERO/RAIN Pot 15L
  • 1x Silver Lid
  • 3x RAIN Lid Cover
  • 3x RAIN Lid
  • 6x RAIN Lid Clip
  • 1x Header Pot Blank
  • 6x Pot Stand for 15L Pot
  • 3x RAIN Fabric Pot 15L
  • 3x Drain Cover - Copper
  • 2x Elbow 50mm Barbed
  • 1x Tee 50mm Barbed
  • 3x Elbow 50mm Dual Flow
  • 1x Tee 50mm Dual Flow
  • 4x Washer 50 X 64mm
  • 4x Nut 50mm Dual Flow
  • 12x Clamp Size 1
  • 8x Clamp Size 2
  • 3x Valve 16mm Green
  • 3x Plug - 16mm
  • 6x Tee 16mm - 4mm
  • 3x 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
  • 3x Pipe 16mm Silver Bulk by Meter
  • 4x Pipe 19mm Black Bulk by Meter
  • 2x Pipe 19mm Blue Bulk by Meter
  • 4x Pipe 25mm Blue Bulk by Meter
  • 2x Pipe 4mm Green Bulk by Meter
  • 2x 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

Features

💧
Dual-Flow™ Fittings

Prevents root clogging and ensures a free-flowing system with unique side slots.

🛡️
Copper-Plated Drain Cover

Protects your pipe network by preventing roots from entering and causing blockages.

❄️
Heat-Resistant Pipes

Reflective silver pipes minimize heat absorption, keeping your nutrient solution cool.

🌊
Superior Drainage

A raised grid and sloped base ensure rapid drainage, preventing waterlogging.

🧠
Automated Rain Brain

Ensures precise, consistent nutrient delivery, keeping your feeding schedule on time.

🔧
Easy Setup & Maintenance

Glue-free assembly with snap-on pipes makes setup and reconfiguration simple and fast.

💪
Durable Construction

Built with heat-reflective polymer and high-quality materials for longevity.

🌿
Fully Customizable

Easily scale your setup from a single pot up to 36 pots to fit your growing space.

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 Hydroponics recommends a watering frequency of one minute every hour.
  • Regularly check the filter for debris.
  • 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.

Specifications

Specification Value
Number of pots 3
Number of rows 3
Minimum Assembled Size (Compact Header) 15L Pot: 28" L x 43¼" W
30L Pot: 30⅛" L x 52¾" W
Maximum Assembled Size (Compact Header) 15L Pot: 33⅞" L x 60⅝" W
30L Pot: 38⅝" L x 75⅝" W
Minimum Assembled Size (Remote Header) 15L Pot: 31⅞" L x 43¼" W
30L Pot: 34" L x 52¾" W
Maximum Assembled Size (Remote Header) 15L Pot: 73¼" L x 60⅝" W
30L Pot: 78" L x 75⅝" W
Water Pumps Included JET-STREAM DRAIN Water Pump 1100GPH, Pressure Water Pump 20
Recommended Reservoir (Not Included) Minimum 30 Gallons / 120 Liters

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 growing medium works best with the RAIN system?+

The RAIN system is highly versatile and can be used with various media, including soil, coco coir, clay pebbles, or rockwool, giving you the flexibility to choose what works best for your plants.

Is a water reservoir included with this kit?+

No, a nutrient reservoir is required but not included. This allows you to select a tank size that best fits your space and needs. We recommend a minimum capacity of 30 gallons for this 3-pot kit.

How does the RAIN system prevent root problems?+

By mimicking natural rain, the system evenly distributes water and flushes residual salts. The efficient drainage from the raised grid and sloped base prevents waterlogging, ensuring roots get plenty of oxygen and stay healthy.

Can I expand this 3-pot system in the future?+

Absolutely. The Alien Hydroponics RAIN system is modular and designed for expansion. You can easily add more pots, like the 6 Pot 3 Row Kit, to scale up your operation as you grow.

What is the recommended watering frequency?+

Alien Hydroponics suggests a watering frequency of one minute every hour. However, this can be adjusted with the included timer to suit your specific plant type, growth stage, and growing medium.

How does the RAIN system differ from a DWC system?+

The RAIN system is a top-feed drip system that delivers nutrients from above, similar to rain. In contrast, a Deep Water Culture (DWC) system, like the Alien RDWC, submerges the roots directly in a highly oxygenated nutrient solution. RAIN is often preferred for its compatibility with various media and its ability to flush out salts effectively.

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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