Water Chiller Applications in Deep Water Culture (DWC)
Deep Water Culture (DWC) is an efficient hydroponic method, but high water temperatures can lead to root rot and reduced yields. Our water chillers provide precise temperature control for nutrient solutions, ensuring healthy root growth and maximizing your harvest!

Role of Water Chillers in DWC
- Temperature Regulation: The chiller can maintain the temperature of the nutrient solution within the ideal range (18-22°C), preventing the decrease in oxygen solubility and the growth of pathogenic bacteria caused by high temperatures.
- Prevention of Root Problems: High temperatures can lead to root rot (such as that caused by Pythium), and the chiller effectively prevents this by reducing the water temperature.
- Increased Yield: A stable low-temperature environment promotes nutrient absorption and plant growth, increasing the yield.
- Adaptability: It is suitable for DWC systems of different scales (home-based, small commercial, or large greenhouses).
Our water chillers precisely regulate water temperature, preventing oxygen loss in DWC nutrient solutions due to heat, ensuring healthy root development. Ideal for summer conditions or small indoor setups, they significantly boost crop yields.

APT Water chiller Product Features
- Cooling Capacity: 2500W-78000W, suitable for 30-1500 gallon DWC systems
- Precise Temperature Control: ±0.1°C with LCD display
- Easy Installation: Built-in pump, quick-connect inlet/outlet hoses
- Durable Material: Stainless steel housing, corrosion-resistant
- Energy Efficient: Low power consumption, cost-effective operation
Application Scenarios
- Home Growing: Ideal for 10-100 gallon tanks, perfect for lettuce and strawberries
- Commercial Greenhouses: Supports 50-100 gallon systems, optimizing tomato yields
- Research Use: Provides stable water temperatures for plant experiments
- Summer Use: Maintains 18-22°C in hot climates
Installation & Maintenance Guide
- Installation: Connect inlet/outlet hoses to the DWC tank, place in a ventilated area, set to 18-22°C
- Maintenance: Clean the heat sink monthly, check the pump, ensure clean water quality
- Caution: Avoid direct sunlight, maintain low humidity to prevent condensation

Technical Specifications
Water Chiller Models for DWC Systems
Model Name | Cooling Capacity (W) | Cooling Capacity (kcal/h) | Chilled Water Flow Rate (L/h) | Theoretical Max DWC Capacity (L / gal) | Recommended Range | |
---|---|---|---|---|---|---|
L | gal | |||||
APTBL-01FCST | 2500 | 2150 | 430 | 215 L / 57 gal | 113-189 | 30-50 |
APTBL-02FCST | 5000 | 4300 | 860 | 430 L / 114 gal | 227-378 | 60-100 |
APTBL-03FCST | 7500 | 6450 | 1290 | 645 L / 170 gal | 340-568 | 90-150 |
APTBL-05FCST | 13000 | 11180 | 2236 | 1118 L / 295 gal | 568-946 | 150-250 |
APTBL-08FCST | 20000 | 17200 | 3440 | 1720 L / 454 gal | 946-1514 | 250-400 |
APTBL-10FCST | 26000 | 22360 | 4472 | 2236 L / 591 gal | 1136-1893 | 300-500 |
APTBL-15FCST | 38000 | 32680 | 6536 | 3268 L / 863 gal | 1703-2649 | 450-700 |
APTBL-20FCST | 52000 | 44720 | 8944 | 4472 L / 1181 gal | 2271-3785 | 600-1000 |
APTBL-25FCST | 63000 | 54180 | 10836 | 5418 L / 1432 gal | 2839-4542 | 750-1200 |
APTBL-30FCST | 78000 | 67080 | 13416 | 6708 L / 1772 gal | 3407-5678 | 900-1500 |
Note: The recommended ranges are based on an ambient temperature of 30°C and a target water temperature of 20°C. Contact us for customized solutions at info@topwaterchiller.com.
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