Simple and forgiving
A large nutrient pond buffers temperature and nutrient swings, making RAFT / DWC one of the most stable and low-maintenance hydroponic methods.
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RAFT (Deep Water Culture) Hydroponic Systems for Leafy Greens
Floating raft and flat-bed hydroponic cultivation systems.
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RAFT / DWC Hydroponics
Floating-raft DWC beds for simple, high-volume leafy production
BLUSTAL manufactures RAFT (deep water culture) hydroponic systems — flat-bed setups where plants sit on floating rafts with roots suspended in an aerated nutrient pond. The RAFT / DWC method is simple, stable and high-volume, which suits commercial leafy-green production and growers who want a low-maintenance, forgiving hydroponic system.
raft systemdeep water culturedwc hydroponicsfloating raft hydroponicsleafy greens hydroponics
Ask BLUSTAL for product guidanceHigh-volume leafy output
Flat-bed rafts hold many plants per bed, which suits steady, high-volume leafy-green production.
Plan bed size and aeration
Bed size, raft layout and aeration should match crop and area to keep the root zone oxygenated and growth even.
Common applications
- Lettuce and leafy green production at volume
- Simple, stable greenhouse hydroponics
- Commercial and institutional growing projects
- Training and demonstration systems
Before you request a quote
- ✓Share crop, area and target output so bed size, raft layout and aeration can be scoped.
- ✓Confirm greenhouse or indoor setting and water source.
- ✓Ask about compatible aeration, dosing and net pots for a complete bed.
- ✓For a like-for-like quote, share the growing area or number of beds needed, target plant count and spacing, and whether the system will run in a greenhouse, polyhouse or open shed.
- ✓Confirm preferred raft/float material and bed depth, plus whether a nutrient tank, recirculation pump and net pots should be quoted as part of the same order or sourced separately.
| Structure option | Best fit | Project notes | Related components |
|---|---|---|---|
| Pilot / demonstration bed | Trial runs, training centres and small commercial tests | A single small bed to validate crop, spacing and nutrient routine before scaling up. | One floating raft bed, nutrient tank, aeration and net pots |
| Single commercial bay | Focused leafy-green production in one greenhouse bay | Bed size and count are set by bay dimensions and target plant spacing; share both for an exact layout. | Raft beds, shared nutrient tank, recirculation pump, aeration and net pots |
| Multi-bay commercial installation | Volume leafy-green growers running several bays or a full greenhouse | Multiple bays typically share a central nutrient tank and dosing point; confirm total area and bay layout for a combined system quote. | Multiple raft beds, central nutrient tank, recirculation and dosing lines, aeration and net pots |
What is a RAFT or DWC hydroponic system?+
RAFT (deep water culture) grows plants on floating rafts over an aerated nutrient pond, with roots suspended in the solution. It is simple, stable and suited to leafy greens.
How is RAFT different from NFT?+
RAFT suspends roots in a deep aerated pond, buffering conditions and needing less precise flow; NFT uses a thin flowing film in channels. RAFT is more forgiving, NFT is more compact.
What crops suit a RAFT system?+
RAFT suits leafy greens such as lettuce and herbs grown at volume. Heavy vine crops are better in Dutch buckets.
Does BLUSTAL supply complete RAFT beds?+
Yes. Share crop, area and output target and BLUSTAL can scope beds, rafts, aeration and accessories for a complete system.
What should a RAFT / DWC system quotation include?+
Ask for an itemised scope covering raft beds, float material, the nutrient tank, recirculation pump, aeration and net pots. Confirm which items are included and which need to be sourced separately, along with dosing and monitoring requirements. Share your crop, growing area or bed count, plant spacing and water source so the quotation matches a pilot bed, a single bay or a multi-bay installation.
What does a commercial floating raft hydroponics setup include, and what should a buyer send for a quotation?+
Commercial floating raft hydroponics is a RAFT (deep water culture) bed where plants sit on floating rafts over an aerated nutrient pond, with roots suspended in the solution. A commercial setup uses raft beds, a nutrient tank, aeration and net pots, and a bay can also include a recirculation pump. The large water volume buffers temperature and nutrient swings. For a quotation, send the crop, the bed area or bed count, whether the site is a greenhouse or an open shed, and the water source.
How does the Flat Bed Hydroponic System relate to a hydroponic raft system and a hydroponic bed?+
The Flat Bed Hydroponic System, catalogue SKU BHS-FB, is the hydroponic raft system listed in this category. Its description calls it a RAFT (deep water culture) setup where plants sit on floating rafts over an aerated nutrient pond, roots suspended in the solution. That flat floating bed is the hydroponic bed. The large water volume buffers temperature and nutrient swings, which suits growing leafy greens at volume. The system is scoped to crop, area and output; contact BLUSTAL for a configuration and quotation.
Related BLUSTAL ranges
NFT SystemNutrient film technique systems for soilless crop production.Dutch Bucket SystemDutch bucket hydroponic systems for vine crops and controlled cultivation.Hydroponic TowerVertical tower hydroponic systems for compact, high-density growing.Substrate & MediaGrowing media used for seedling and clonal rooting workflows.
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