CURRENT CULTURE UC 4XXL 13 – Advanced 4-Module RDWC System with Sub-Current Circulation
The Current Culture UC 4XXL 13 is a high-performance Recirculating Deep Water Culture (RDWC) system designed for serious growers seeking precision, scalability, and maximum root-zone oxygenation. Featuring the patented Sub-Current Culture® circulation method, this system uses negative water pressure to continuously recirculate nutrient-rich, oxygenated solution through all four 13-gallon growth modules—ensuring uniform pH and EC levels across the entire setup.
Key Features
- Sub-Current Culture® technology for hyper-aerobic root zones
- Inline Mag-Drive pump for consistent negative pressure flow
- Air Force Pro™ air pump and diffuser discs for dissolved oxygen delivery
- CCH2O molded lids with net pots and port holes
- Uniform nutrient distribution and pH/EC stability
- Compatible with Cultured Solutions® nutrients and dosing systems
- Ideal for commercial and medical-grade cultivation
- 4 × 13-gallon growth modules
- 3″ manifold with UC Spin Tight bulkheads
- Air pump, air stones, and distribution manifold
- Adjustable float valve and reservoir adapter kit
- Drain valve and chiller adapter
| Metric | Value |
|---|---|
| SKU | SG-S1011 |
| Brand | Current Culture |
| Product Name | UC 4XXL 13 |
| System Type | RDWC – Recirculating Deep Water Culture |
| Circulation Method | Sub-Current Culture® |
| Module Volume | 13 gallons each |
| Grow Sites | 4 |
| Application | Commercial & medical-grade hydroponics |









