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Flood Bench with Drain for Hydroponic Greenhouse

Revolutionize your greenhouse productivity with ebb and flow benches—also known as flood benches. These innovative systems use a timed irrigation cycle where a watertight tray fills with nutrient-rich water and then drains, giving plant roots perfect access to nourishment and air. The result? Reduced resource waste, minimal labor, and faster, more consistent plant growth. These benches are perfect for nurseries handling potted plants, bedding plants, or seedlings, and their elevated design means cleaner, more efficient operations. It’s the future of modern cultivation—clean, controlled, and cost-effective.
  • TOP

  • Aluminum, Hot dip galvanizing steel

  • ABS tray

  • OEM, OED

  • ISO

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VIDEO OF GREENHOUSE ROLLING BENCH

INTRODUCTION  OF GREENHOUSE ROLLING BENCH

  • What Are Ebb and Flow Benches?

Flood benches—also known as ebb and flow benches—are advanced irrigation systems that allow plants to be watered from the bottom up by periodically flooding and then draining a bench or tray where pots or containers sit. Think of it as giving your plants a quick, refreshing bath instead of a constant shower.

  • How They Got Their Name

The system floods the trays with nutrient-rich water (ebb), then allows it to drain back into a reservoir (flow). This cyclical motion mimics natural watering rhythms and gives the setup its descriptive name.

  • Why Growers Are Switching to Them

With water conservation becoming a pressing issue, flood benches offer a smart solution. They cut down on waste, improve plant health, and make large-scale growing far more manageable.

  • How Flood Benches Work

The Basic Principle of Ebb and Flow

a. Flooding Phase

During this phase, water (usually with nutrients) is pumped into the bench tray, soaking the base of the pots. Capillary action then pulls the moisture into the root zones.

b. Draining Phase

After a set period, the pump shuts off, and gravity drains the water back into a holding tank for reuse. This leaves the roots oxygenated and happy.

Components Involved in the System

a. Benches

These are the platforms that hold the plant trays. They come in various sizes and heights depending on the crop.

b. Trays and Channels

The trays hold water temporarily and are designed with grooves or ridges to help with even water distribution.

c. Pumps and Reservoirs

A pump pushes the water up, and a gravity-fed drain or second pump helps it return to the tank.

Ebb Flow Bench

Ebb Flow Bench

Ebb Flow Bench

Ebb Flow Bench

Ebb Flow Bench

Ebb Flow Bench


FEATURES OF UISNG ROLLING BENCH

Flood benches, often referred to as ebb and flow benches, are an essential part of modern greenhouse systems. They enable precise water management for plants and provide an efficient means of irrigation. Understanding their core features can help you optimize plant growth and increase productivity in your greenhouse setup. In this article, we will explore five critical features that make flood benches a popular choice for both commercial and home growers alike.

  • Efficient Water Usage

One of the most significant advantages of flood benches is their ability to maximize water efficiency. The ebb and flow cycle ensures that water is distributed evenly to all plants, while excess water is drained away. This process reduces water wastage and ensures that the plants' roots are never submerged for too long, preventing root rot and other moisture-related issues.

  • Improved Oxygenation for Roots

Flood benches provide optimal oxygenation for plant roots, which is essential for healthy growth. The draining process allows air to circulate around the roots, preventing them from becoming waterlogged. This is particularly beneficial for plants that require well-drained soil, as it mimics the natural soil structure.

  • Customizable and Scalable Design

Another standout feature of flood benches is their versatility. These benches come in various sizes and can be customized to suit the specific needs of your greenhouse. Whether you are growing small herbs or large vegetables, the ebb and flow system can be adapted to fit different plant types and growth stages.

  • Promotes Faster Plant Growth

By providing consistent moisture levels and ensuring proper drainage, flood benches encourage faster and more robust plant growth. The plants receive just the right amount of water, and the consistent irrigation schedule helps them grow more evenly.

  • Low Maintenance and Labor Costs

Flood benches are known for their low maintenance requirements. Once installed, they generally require minimal attention compared to other watering systems. This reduces the time and labor costs associated with manual watering, allowing you to focus more on other aspects of plant care.

PARAMETERS OF GREENHOUSE ROLLING BENCH

Name
EBB FLOW BENCH
Width 2ft, 3ft, 4ft, 5ft or customized
Height normal 70-71cm, height can adjust 8-10cm, or customized
Move Distance 25-30cm each side
Material
ABS tray, aluminum, hot dip galvanizing steel
Color
White, grey or black
Weight Capacity 45-50 kg/m2


Rolling Bench

Rolling Bench

rolling bench

Rolling Bench

Rolling Bench

Rolling Bench

ADVATAGES OF GREENHOUSE ROLLING BENCH 

The benefits of greenhouse rolling benches go beyond simple space-saving. Here are some of the main advantages:

1. Water Efficiency Like Never Before

Flood benches dramatically reduce water waste by using a closed-loop system. The benches flood plants with nutrient-rich water and then drain it back into a reservoir for reuse. This saves up to 80–90% of water compared to overhead watering methods. In areas facing water restrictions, this feature is a game-changer.

2. Uniform Moisture Distribution

Say goodbye to dry corners or over-saturated spots. Ebb and flow benches ensure every pot receives the same amount of water, evenly soaking the root zone. This leads to uniform plant growth, healthier roots, and consistent crop quality—especially important in commercial production.

3. Reduced Labor Costs and Time

Automation-friendly systems can handle irrigation schedules without constant monitoring. With fewer hoses, no hand-watering, and less need for worker oversight, growers can redirect labor toward more important tasks like pruning, harvesting, or quality checks.

4. Enhanced Root Health and Oxygenation

The flooding and draining process creates a rhythmic wet-dry cycle that promotes strong, healthy roots. As the water drains, fresh oxygen is pulled into the root zone, supporting faster growth and preventing root rot, mildew, or anaerobic conditions.

5. Fertilizer Efficiency with Reuse

Because the nutrient solution is collected and reused, growers reduce the cost of fertilizers while ensuring consistent feeding. This method also prevents excess nutrient runoff into the environment, making it eco-friendly.

6. Cleaner Greenhouse Environment

The absence of puddles, spills, and wet walkways keeps the greenhouse floor dry and safe. Since water is contained within the benches, there's less chance of algae growth or slippery surfaces.


Flood (ebb and flow) benches offer a range of benefits for greenhouse growers. From maximizing water efficiency to promoting faster plant growth, these benches provide a reliable and scalable solution for managing plant hydration. Their customizable design, combined with the ability to oxygenate roots and reduce labor costs, makes them an invaluable asset for both small-scale and commercial operations.

Whether you're just starting out in greenhouse gardening or looking to upgrade your existing setup, incorporating flood benches into your irrigation system can provide long-term advantages. If you're seeking healthier, more robust plants with less effort, flood benches are a solid choice.


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FAQs OF GREENHOUSE ROLLING BENCH

1. What plants benefit the most from flood (ebb and flow) benches?

Flood benches are ideal for a wide range of plants, including leafy greens, herbs, and flowering plants. They're particularly beneficial for crops that need consistent moisture but dislike being waterlogged.

2. How often should I flood my flood bench system?

The frequency depends on your plants' needs and environmental conditions. Typically, the cycle may run every 30 minutes to an hour, but you can adjust this based on your specific plant types.

3. Can I use flood benches for hydroponics?

Yes, flood benches are commonly used in hydroponic systems. They allow for efficient water and nutrient distribution, ensuring that plants receive everything they need for optimal growth.

4. How much space do flood benches require in my greenhouse?

The space needed will depend on the size of your greenhouse and the flood bench system. They are available in various sizes, and custom options can be designed to fit your available space.

5. Are flood benches suitable for organic farming?

Yes, flood benches can be used for organic farming as long as you use organic growing media and adhere to organic farming standards. They provide a controlled and efficient environment for plant growth.


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