Multi-tier Growing Rack
Multi-tier Growing Rack
PONSUNO Multi-Tier Grow Rack is a vertical NFT hydroponic growing system designed to expand cultivation capacity within a limited floor area. Its stacked growing levels organize multiple NFT channels into a compact, accessible production layout, with a standard configuration of three tiers, 1.12 m in width, and 1.25 m in height. Tier quantity, height, channel length, and spacing can be customized to suit crop requirements, greenhouse dimensions, and irrigation design.
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Key Highlights
· Multi-level NFT hydroponic layout — vertically stacked channels multiply growing area per square meter
· Reference 3-tier configuration: 1.12m width, 1.25m height, 0.45m tier spacing (customizable)
· Fully customizable — tier count, dimensions, tier spacing, channel length/quantity/spacing engineered per crop and facility
· Integrated nutrient supply and return system across all tiers, with recirculating reservoir
· Designed for leafy greens, herbs, and compact NFT crops in greenhouses and indoor farms
· Layout planning considers supplemental lighting, airflow, drainage, and crop access
· Reference 3-tier configuration: 1.12m width, 1.25m height, 0.45m tier spacing (customizable)
· Fully customizable — tier count, dimensions, tier spacing, channel length/quantity/spacing engineered per crop and facility
· Integrated nutrient supply and return system across all tiers, with recirculating reservoir
· Designed for leafy greens, herbs, and compact NFT crops in greenhouses and indoor farms
· Layout planning considers supplemental lighting, airflow, drainage, and crop access
Product Overview — A Movable Greenhouse Growing System
The PONSUNO Multi-Tier Grow Rack is a purpose-built multi-level NFT hydroponic system designed to increase production capacity without expanding floor space. By stacking NFT growing channels vertically, it multiplies cultivation area within the same footprint — ideal for leafy greens, herbs, and compact crops in greenhouses and indoor farms. A reference configuration offers 3 tiers, 1.12m overall width, 1.25m overall height, and 0.45m tier spacing — serving as a starting point rather than a limitation. Every dimension is customizable to match crop variety, planting density, greenhouse layout, and production targets.
- Multi-Level NFT Design. The defining feature is vertically stacked NFT channels: instead of spreading all production across one horizontal plane, cultivation levels are arranged one above another, dramatically increasing growing area per square meter. Each tier holds dedicated NFT channels, with supply and return lines planned as one integrated system. Tier count is selected by building height, crop canopy development, light distribution, and access requirements — more tiers increase area but require careful management of shading, airflow, and irrigation.
- NFT Hydroponic System. Nutrient Film Technique delivers a shallow, continuously flowing stream of nutrient solution through sloped channels, supplying roots with water and nutrients while keeping part of the root system exposed to air. Solution is collected at channel ends and returned to a reservoir for recirculation, reducing water and fertilizer use. For multi-tier installations, channel slope, flow rate, elevation differences, drainage capacity, and reservoir size are coordinated across all levels.
- High Load Capacity. Engineered for commercial use, the bench supports a maximum uniformly distributed load of up to 200 kg/m² under properly distributed loads. The galvanized frame and rolling mechanism carry the applied load during operation; capacity is confirmed for the selected bench dimensions, support spacing, and roller arrangement during engineering review.
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Fully Customizable Layout. The rack is configured around the project, not a fixed standard:
The final design balances growing density with practical access for transplanting, monitoring, channel cleaning, and harvesting.· Tier quantity: 2 / 3 / 4+ levels per facility height and target area· Overall dimensions: width and height adjusted to installation space· Tier spacing: set by crop height, canopy size, light requirements, and working access· NFT channel length, quantity, and spacing: arranged by planting density and crop size· Irrigation / drainage layout: supply and return connections planned per tier and channel count
- Lighting, Airflow & Access. Vertical stacking increases area but also affects the growing environment — upper tiers shade lower levels as canopies expand. Tier spacing accounts for crop height, natural light direction, and supplemental LED positioning, with plant-to-light distance evaluated per tier. Air circulation between tiers manages humidity and temperature uniformity. Access for harvesting, inspection, and sanitation is integrated into the layout from the start.
- Applications. Commercial greenhouse production, indoor vertical farms, controlled-environment agriculture, plant factories, and NFT-based soilless growing projects — especially for compact, high-density leafy greens and herbs.
| Parameter | Specification |
| Product Type | Multi-Tier Grow Rack (multi-level NFT hydroponic system) |
| Cultivation Method | NFT (Nutrient Film Technique) hydroponics |
| Reference Configuration | 3 tiers, 1.12m width, 1.25m height, 0.45m tier spacing |
| Number of Tiers | 2 / 3 / 4+ — customizable per crop and space |
| Overall Width | 1.12m (standard) / customizable |
| Overall Height | 1.25m (standard, 3-tier) / customizable |
| Tier Spacing | 0.45m (standard) / 0.3m / 0.4m / 0.5m / 0.6m — customizable per crop height |
| Length | 4m / 8m / 12m — modular, extendable |
| Frame Material | Hot-dip galvanized steel / powder-coated steel / food-grade aluminum alloy |
| Frame Pipe / Profile Size | 25×25mm / 30×30mm / 40×40mm — per load requirement |
| NFT Growing Channels | Food-grade PVC / PVC-U channels, multiple per tier (customizable) |
| Channel Length | Customizable per greenhouse layout and hydraulic design |
| Channel Spacing | Customizable per planting density and crop size |
| Channel Slope | 1% – 3% (adjustable per flow requirement) |
| Nutrient System | Recirculating: supply pump + return line + reservoir + pH/EC monitoring |
| Irrigation | Per-tier nutrient supply lines with flow control |
| Drainage | Per-tier return collection lines to central reservoir |
| Supplemental Lighting | Optional LED grow light bars mounted under each tier |
| Air Circulation | Optional horizontal airflow fans between tiers |
| Environmental Monitoring | Optional pH / EC / water temperature / DO sensors |
| Installation | Bolted assembly, floor-mounted (fixed) |
| Customization | Tier count, overall dimensions, tier spacing, channel length/quantity/spacing, irrigation layout — engineered per crop and cultivation requirements |
| Typical Crops | Leafy greens, lettuce, herbs, microgreens, strawberries, compact NFT-suitable crops |
| Typical Applications | Commercial greenhouses, indoor vertical farms, plant factories, controlled-environment agriculture, research facilities |
| Frame Service Life | 10 – 15 years (with proper maintenance) |
| NFT Channel Service Life | 8 – 12 years (food-grade PVC, with proper maintenance) |