RAIN 28 pot 4 row 15L compact header kit. Gray hydroponic grow pots, blue tubing, and central reservoir.

RAIN 28 Pot 4 Row 15L Remote Header Kit: 28 grey square hydroponic pots in 4 rows, connected to a header tank.

Rain 28 Pot 4 Row 30L Compact Header Kit: 28 square grey hydroponic pots in 4 rows connected by pipes.

RAIN 28-pot, 4-row hydroponic irrigation system diagram with grey square pots, connecting pipes, and remote header kit.

Alien Hydroponics RAIN System - 28 Pot 4 Row Kit

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MODEL: BD100-5428C

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Alien Hydroponics RAIN System - 28 Pot 4 Row Kit

Nutrient distribution has always been challenging in large-scale plant systems, but that is now a thing of the past. If you have struggled with inconsistent growth rates or nutrient lockout, the Alien Hydroponics RAIN System - 28 Pot 4 Row Kit provides the professional-grade solution you need. By mimicking natural rainfall, this system ensures every plant in your 28-pot setup receives uniform hydration and oxygenation, driving massive yields and production consistency.

Engineered for commercial-level growers and researchers who demand precision, the RAIN Top-Feed system allows for maximum volume while minimizing wastage. Its unique design allows you to work with various growing mediums without the constant fear of root rot or salt buildup. Whether you are scaling up from a smaller setup or looking to upgrade to the 36 Pot 4 Row Kit, this system offers the flexibility and performance required for high-output environments. Note: A nutrient reservoir is required but not included; we recommend the GardenTank collapsible series.

What's Included

1x DRAIN Pump Pipe Adapter
1x Pressure Water Pump 30
1x Cycle Timer
1x AERO/RAIN Header Pot Complete 36L
28x AERO/RAIN Pot 15L (or 30L option)
1x Large Pot Lid Adapter
1x Silver Lid
28x RAIN Lid Cover
28x RAIN Lid
56x RAIN Lid Clip
1x Header Pot Blank
56x Pot Stand for 15L Pot
28x RAIN Fabric Pot 15L
28x Drain Cover - Copper
2x Elbow 50mm Barbed
2x Tee 50mm Barbed
4x Elbow 50mm Dual Flow
25x Tee 50mm Dual Flow
29x Washer 50 X 64mm
29x Nut 50mm Dual Flow
14x Clamp Size 2
8x Clamp Size 3
4x Valve 16mm Green
4x Plug - 16mm
56x Tee 16mm - 4mm
28x Pot Clip 16mm
2x Tee 25mm Barbed - 3/4" Male
2x Tee 25mm Barbed
2x Elbow 25mm Barbed - 3/4" Male
2x Elbow 19mm Barbed
2x Elbow 40mm Barbed
1x Siphon Tee 19mm Fitting
1x Siphon Tee 40mm Complete
19x Pipe 16mm Silver Bulk
4x Pipe 19mm Black Bulk
4x Pipe 25mm Blue Bulk
4x Pipe 40mm Silver Spiral
12x Pipe 4mm Green Bulk
16x Pipe 50mm Silver 100cm
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

Patent-pending fittings allow for a free-flowing system while preventing root clogging via side slots.

🛡️

Copper Drain Covers

Includes copper-plated covers to effectively prevent roots from entering the pipe network.

❄️

Heat-Resistant Pipes

Heat-reflective silver piping deflects heat buildup to maintain optimal solution temperatures.

📐

Raised Drainage

A sloped base and raised drainage grid ensure water drains faster to prevent stagnation.

🧠

Rain Brain Control

Ensures consistent nutrient delivery on a precise schedule for maximum plant health.

🛠️

Easy Glue-Free Setup

Threaded fittings and snap-on pipes allow for a quick setup without messy adhesives.

🏗️

Durable Construction

High-quality, non-reactive materials ensure the system lasts for years of commercial use.

⚙️

Customizable Layout

Flexible configurations with remote header options to perfectly fit your grow space.

Specifications

Specification	15L Pot Value	30L Pot Value
Number of Pots	28	28
Number of Rows	4	4
Min Size (Compact Header)	111⅜" L x 58¼" W	132½" L x 70⅞" W
Max Size (Compact Header)	178¾" L x 123⅝" W	218⅞" L x 144½" W
Min Size (Remote Header)	115⅜" L x 58¼" W	136⅜" L x 70⅞" W
Max Size (Remote Header)	218⅛" L x 123⅝" W	258¼" L x 144½" W
Water Pump Included	Jet-Stream 1100GPH / Pressure 30	Jet-Stream 1100GPH / Pressure 30
Rec. Reservoir Capacity	145 Gallons / 550 Liters	145 Gallons / 550 Liters

Support & Manuals

📄Alien RAIN System User Manual

Warranty

The ALIEN RAIN Top-Feed System is covered with a one-year warranty for your peace of mind.

FAQs

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

The RAIN system is highly versatile and works exceptionally well with coco, clay pebbles, or soil-based mixes, thanks to its specialized drainage grid.

Does this kit include a nutrient tank?+

No, the RAIN system requires a separate reservoir to hold your nutrient solution. We recommend a GardenTank that matches the system's 145-gallon minimum capacity.

How often should I set the feeding timer?+

Alien Hydroponics generally recommends a watering frequency of one minute every hour, though this can be adjusted based on your specific environmental conditions and plant needs.

Can I expand this system later?+

Yes, the modular design of the RAIN system allows for expansion up to 36 pots. You can also reconfigure the spacing between pots to fit larger plant footprints.

Is any gluing required for assembly?+

No. The system uses patent-pending threaded fittings and snap-on pipes, making it easy to assemble, maintain, and reconfigure without any tools or adhesives.

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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Alien Hydroponics RAIN System - 28 Pot 4 Row Kit

Alien Hydroponics RAIN System - 28 Pot 4 Row Kit

What's Included

Features

Dual-Flow™ Fittings

Copper Drain Covers

Heat-Resistant Pipes

Raised Drainage

Rain Brain Control

Easy Glue-Free Setup

Durable Construction

Customizable Layout

Specifications

Support & Manuals

Warranty

FAQs

Shipping & Returns

Customer Reviews

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