Skip to content
Current Culture H2O Under Current RDWC Hydroponic System - 13 Gallon, 30" Spacing
Current Culture H2O Under Current RDWC Hydroponic System - 13 Gallon, 30" Spacing

Current Culture H2O Under Current RDWC Hydroponic System - 13 Gallon, 30" Spacing

by Current Culture
SKU: UC4XL13

Official Distributor

$2,655.00

Or

Monthly payments start at:

$73.75/mo

Learn More

  • Ships in 1-5 days at most
Contact us about commercial pricing
Size

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

The patented Under Current® RDWC Hydroponics System is recognized as the gold standard for hydroponic crop production.

The most proven and widely utilized Recirculating Deep Water Culture hydroponic system in the world, the Under Current® is renowned for producing the very highest quality fruits, flowers, and essential oil profiles.

This unique, high-performance water culture system utilizes negative water pressure to recirculate oxygenated nutrient solution through the plant’s root zone. Requiring no timers, the 24/7 circulation and aeration encourage rapid root growth and ensure pH and EC levels are uniform throughout the entire system.

Highly regarded for its unparalleled growth rates and record-setting yields, the Under Current® is simple to operate and well suited for residential, professional, and commercial facility applications.

Tight Spacing for More Smaller Plants
Suitable for Veg and Pre-veg Applications
Ideal for Auto Flower Varieties

  • GROW TREES: Yield more with less reduce plant counts more production per plant

  • GET YOUR WEIGHT: Accelerated growth rates cut veg times heavy yields = heavy profits

  • TAKE A VACATION: Easy and reliable no timers, no guesswork reduce labor & maintenance

  • TOP-SHELF RESULTS: Optimal Resin Output. Strong Terpene Profiles.

  • CRAFT CULTIVATION: Ideal For Artisinal Batch Cultivation

  • FACILITY PROVEN: Trusted By Professional Growers Worldwide

The Under Current system is the world’s only recirculating water culture hydroponic system to feature the patented Sub-Current Culture circulation method. The Under Current is the cornerstone of the CCH2O Proven Production Approach when used with Cultured Solutions® Nutrients and the CCH2O Nutrient Dosing System.

Sub-Current Culture (SCC) technology utilizes negative water pressure to recirculate highly oxygenated nutrient solution through the plant’s root zone. This continuous fluid motion supercharges the nutrients with dissolved oxygen, creating hyper-aerobic conditions perfect for explosive plant growth.

Constant 24/7 nutrient circulation ensures pH and EC levels are uniform throughout the entire system.

This unique water culture application is unprecedented in layout versatility and ease of use. The Under Current consistently delivers awe-inspiring yields for any sized application, from hobby to commercial greenhouse.

This System Includes:

  • CCH2O Multi Mod Growth Modules with Drain Well
  • CCH2O 5.5″ Heavy Duty White Lids with Port Hole
  • CCH2O 5.5″ Heavy Duty Net Pots
  • CCH2O Easy Clean Manifolds with UC Spin-Tight Bulkheads
  • High Flow Aeration Manifold
  • Air Pump Bank with CCH2O Air Flow Regulator
  • Premium Linear Air Pump(s)
  • Danner Mag-Drive Return Pump with 1″ Return Hose
  • CCH2O Sintered Air Stone
  • CCH2O Drain Out Kit
  • Adjustable Float Valve with Reservoir Adapter Kit
  • Cultured Solutions XS Growers Pack
  • 3-Year Limited Warranty.

Critical components of the Current Culture UC System

The best just got better! The Current Culture UC Systems now come with all of these components included so you can worry less and harvest more!

img

Experience the Gold Standard: Under Current® XL RDWC Hydroponics System

The patented Under Current® XL RDWC Hydroponics System sets the benchmark in hydroponic crop production. Known globally for delivering the highest quality of fruits, flowers, and essential oil profiles, this system uses negative water pressure to circulate oxygen-rich nutrient solution through the plant roots. Operating without timers, its 24/7 circulation promotes rapid root growth and maintains consistent pH and EC levels across the system.

Product Overview

Specifications

What's Included?

Warranty & Returns

Under Current® XL RDWC Hydroponics System Overview

The Under Current® XL RDWC Hydroponics System is a game-changer in the world of hydroponics. As the most proven and widely used Recirculating Deep Water Culture system, it promises unparalleled growth rates and record-setting yields. Its unique design ensures uniform pH and EC levels, making it a top choice for both residential and commercial applications.

Key Features:

  • Patented RDWC Technology
  • 24/7 Nutrient Circulation
  • Consistent pH and EC Levels
  • Promotes Rapid Root Growth
  • Suitable for Various Applications
  • High-Quality Crop Production
wetanddry
wetanddry

Why Choose Under Current® XL RDWC Hydroponics System?

The Under Current® XL RDWC Hydroponics System stands out with its unique features and benefits. Designed for those who seek the best in hydroponic crop production, this system guarantees top-tier fruits, flowers, and essential oil profiles. Its continuous circulation of oxygenated nutrient solution ensures that plants receive the best care right from their roots, leading to abundant yields.

24/7 Nutrient Circulation

Uniform pH and EC Levels

High-Quality Crop Production

Record-Setting Yields

wetanddry

This System Includes

  • CCh3O Multi Mod Growth Modules with Drain Well
  • CCh3O 5.5″ Heavy Duty White Lids with Port Hole
  • CCh3O 5.5″ Heavy Duty Net Pots
  • CCh3O Easy Clean Manifolds with UC Spin-Tight Bulkheads
  • High Flow Aeration Manifold
  • Air Pump Bank with CCh3O Air Flow Regulator
  • Premium Linear Air Pump(s)
  • Danner Mag-Drive Return Pump with 1″ Return Hose
  • CCh3O Sintered Air Stone
  • CCh3O Drain Out Kit
  • Adjustable Float Valve with Reservoir Adapter Kit
  • Cultured Solutions XS Growers Pack
  • 3-Year Limited Warranty.
wetanddry

Why Choose Current Culture h3O

Choosing Current Culture h3O for your hydroponic needs ensures you're investing in a brand recognized for its commitment to quality and innovation. Renowned for consistently producing top-tier results, their systems employ advanced mechanisms that promote rapid plant growth and yield high-quality produce. With a reputation for efficiency, versatility, and unparalleled growth rates, Current Culture h3O stands as a trusted choice for both hobbyists and commercial growers seeking optimal hydroponic solutions.

wetanddry
wetanddry
wetanddry

Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry

FAQ Section

What makes the Under Current® XL RDWC Hydroponics System unique?
The system uses negative water pressure to recirculate oxygenated nutrient solution through the plant’s root zone, ensuring uniform pH and EC levels. This promotes rapid root growth and high-quality yields.
Does the system require any timers?
No, the system operates 24/7 without the need for timers, providing continuous circulation and aeration to the plants.
How does the Under Current® system impact growth rates and yields?
The system is known for its unparalleled growth rates and record-setting yields, making it a top choice for hydroponic crop production.
Is the system suitable for both residential and commercial use?
Yes, the Under Current® system is versatile and can be used in both residential settings and larger commercial facilities.
What does "RDWC" stand for in the system's name?
RDWC stands for Recirculating Deep Water Culture, a hydroponic method where plants are suspended in a nutrient-rich water solution and continuously recirculated.
How many growth sites does the system offer?
The system offers various configurations, ranging from 4-site to 32-site setups, allowing for flexibility based on the grower's needs.
What is the significance of the spacing in the system's name?
The spacing refers to the distance between each growth site or plant, ensuring optimal space for each plant to grow and thrive without overcrowding.

Specs & Dimensions

Weight According to selected size
Brand Current Culture
Tech Specs PDF
Instructions Manual PDF
Brand Current Culture
SKU Based on the Selected Size
Weight (lb.) N/A
Air Pump Air Pump Bank with CCh3O Air Flow Regulator
Net pots CCh3O 5.5″ Heavy Duty Net Pots
Lids CCh3O 5.5″ Heavy Duty White Lids with Port Hole
Warranty 3 Years

Items in the box

CCh3O Multi Mod

1" Return Hose & Bottom Drain Manifold

5.5” CCh3O Lids & Net Pots

Air Pump Bank with CCh3O Air Flow Regulator

UC Drain Out Kit

Warranty & Returns

Current Culture h3O provides a distinctive warranty policy for its products. In-house manufactured components come standard with an impressive three-year limited warranty, reflecting a commitment to quality and durability.