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Recirculating Aquaculture System

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Indoor RAS Recirculating Aquaculture System for Shrimp/Fish Farming

Indoor RAS Recirculating Aquaculture System for Shrimp/Fish Farming

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Indoor RAS Recirculating Aquaculture System will be the solution this is certainly farmers that are ideal companies searching for efficient and sustainable methods of fish and shrimp agriculture. This technique uses technology that is advanced create a managed and optimized aquatic environment, ensuring maximum productivity and profitability.

Our eWater system is designed to assist mitigate the challenges faced by old-fashioned systems that are available in terms of example water waste, illness, and yields which are low. The device incorporates a tank for the fish, biological filter, mechanical and chemical filter, and aeration system, as well as a computerized eating system and a remote monitoring and control system, assuring optimal conditions to the tank.

The eWater Indoor RAS system is equipped with specially designed technical and filters being biological that can come together to efficiently remove any solids that are exorbitant the machine. Disinfectants and pH stabilizers are used to make sure that water remains healthier for both fish and flowers which are aquatic.

The aeration system in eWater offers a sufficient level of oxygen to your tank, this is certainly necessary to market fish growth that is healthier. The feeding that is settings that are automatic feeding schedule of this seafood, which reduces work costs and helps in avoiding overfeeding, ensuring the healthiness of the fish and water quality.

Our eWater Indoor RAS system is perfect for a selection of aquatic type’s shrimp this is certainly tilapia that is including catfish, and trout. The usage of our anatomical bodies helps it be a task that is easy raise fish sustainably with just minimal impact that is ecological.

One point that is note that is important our eWater Indoor RAS system is that it is built to be compact. Its size permits it to inside be easily installed, making it simple for the farmer/business to run their fish/shrimp farm in an odor that is controlled environment regardless of climatic condition. It really is created by this feature that is particular for farmers wanting to optimize their returns on space utilization while being environmentally accountable.

Advantages of Recirculating Aquaculture System (RAS)
1. It can effectively solve the problem of pollution and discharge of traditional aquaculture tail water, save energy and reduce emission, and protect the environment.
2. Not subject to the influence and constraints of the natural environment, such as climate and water quality changes, the aquaculture process is easy to control, and can realise year-round multi-cycle aquaculture.
3. It can reduce the dependence on high-quality aquaculture water source and realise cross-regional aquaculture, northern culture of southern fish and desalination of marine fish.
4. It can effectively isolate diseases and control the invasion of disease sources, reduce the rate of nursery bacteria and
morbidity, and improve quality and efficiency.
5. Controllable aquaculture environment and product growth rate, and predictable aquaculture harvest.
6. Water and land saving, flexible site selection and high utilisation rate of the farm site
7. High-density breeding, occupying less land, greatly increasing the production per unit of breeding area, scale efficiency and economic benefits.
RAS Description
Water flowrate
Water volume
Power consumption
Space required
Fish production
17~35 kw
~35000 kg/cycle
25~50 kw
~45000 kg/cycle
250~ 750m³
40~80 kw
~75000 kg/cycle
60~120 kw
~120000 kg/cycle

Raw water treatment system (1 set)

* Main facilities: rotary drum filter, ozone generator, UV sterilizer
* Capacity: 50 cubic meters per hour,
* Volume of the storage tank: 56 cubic meters

Shrimp nursery system (1 set)

* Four shrimp ponds with a diameter of 6 meters.
* PVC folding tanks is recommended: about 28 cubic meters of water for one tank and 112 cubic meter of water total.
* Capacity: 40 cubic meters per hour

Shrimp Grow-out system (2 sets)

* 8 runway shrimp tanks together and 213 cubic meters of water for one tank,
* 2 separated water treatment systems and one system services 4 runway tanks
* Stocking density: 8-10 kg / m3
* System processing capacity: 240 cubic meters per hour
We will customize the right solution for you based on the species and production needs of your breeding.
RAS Flow Chart
Equipment necessary
denitrifying biofilter,MBBR process
Solids removal
drum filter, sand filter, protein skimmer
oxygen cone or low pressure oxygenating device
PH control
degassing device
Temperature control
submerged heaters, heat pumps, chillers or heat exchangers
UV sterilizer ,ozone generator

On-site Project Installation & Qualification Support

We send over engineers to customers’ project location to support the installation & qualifications on-site. We design RAS project detailed prints for overseas customers to get the basic building ready and work out practicable plan including the timeline and labors needs prior to the installation.
Any species of fish and shrimp can be cultured, the following are common species.
Company Profile
Company Profile
At eWater, we provide total Recirculating Aquaculture System solutions and high-quality equipment to support your RAS project needs. Our engineering team works with you to develop a best-balanced proposal for you upon your certain conditions and project objectives. We can also support your designed RAS projects with high-performance & durable equipment.
Certificates and Patents
Obtained more than 26 patents, 2 hi-tech certificates and 3 CE and ISO 9001 certificate

Q: Can you make the design for RAS?
A: Sure, we have a professional AQUA team, has been in RAS fishery morn then 9 years. And been develop succeed of salmon, red trout system and tilapia in Europe and North American. Has been corporate with Geno Mar and Aquake for the breeding and nursery system build up.

Q: What is your product warranty?
A: The warranty is 24 months while the lifetime is 10-15 years under good maintenance. It is durable and anti-corrosion.

Q: What is the payment term?
A: Our payment is T/T, 50% deposit, 50% balance payment before shipment.

Q: How to assemble the equipment once we received it?

A: The CAD install instruction, assembly procedure and project case will be provided. Of course our skilled installation engineers would go to your country and install the equipment if needed.


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eWater Aquaculture Equipment Technology Limited

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