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|Place of Origin:||Guangdong, China||Brand Name:||eWater|
|Model Number:||E-RAS-||Water Volume:||60m3/100m3/200m3/300m402 and more|
|Fish Species:||Tilapia/Catfish/Sturgeon/Shrimp/Seabass and more||Water:||Fresh water or salt water|
|Application:||Indoor Fish Farming water treatment||Main Equipment:||Drum Filter/Protein Skimmer/Biofilter/Degassing and more|
|Customize Available:||Solution for some of fish species and capacity||Use:||Indoor Aquaculture Fish Farming|
Place of Origin
Indoor fish/shrimp/crab farming system
Tilapia,salmon,sea bass,turbot etc.
PP, PVC, SS304 and SS316l
sea water or fresh water
Fish tank, drum filter, biofilter,protein skimmer,pump etc.
20 ~ 300M3/H (or Higher)
RAS are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. Other types of filtration and environmental control are often also necessary to maintain clean water and provide a suitable habitat for fish. The main benefit of RAS is the ability to reduce the need for fresh, clean water while still maintaining a healthy environment for fish. RAS have high fish stocking densities and can be operated economically commercial.All our eWater researchers are currently conducting studies in RAS and we have many successful indoor fish farming projects all over the world.
eWater RAS processes and the equipment necessary
A series of treatment processes is utilized to maintain water quality in intensive fish farming operations. These steps are often done in order or sometimes in tandem. After leaving the vessel holding fish the water is first treated for solids before entering a biofilter to convert ammonia, next degassing and oxygenation occur, often followed by heating/cooling and sterilization. Each of these processes can be completed by using a variety of different methods and equipment, but regardless all must take place to ensure a healthy environment that maximizes fish growth and health.
denitrifying biofilter,MBBR process
drum filter, sand filter, protein skimmer
oxygen cone or low pressure oxygenating device
submerged heaters, heat pumps, chillers or heat exchangers
UV sterilizer ,ozone generator
Advantages of RAS
▶Reduced water requirements as compared to raceway or pond aquaculture systems.
▶Reduced land needs due to the high stocking density.
▶Site selection flexibility and independence from a large, clean water source.
▶Reduction in wastewater effluent volume.
▶Increased biosecurity and ease in treating disease outbreaks.
▶Ability to closely monitor and control environmental conditions to maximize production efficiency. Similarly, independence from weather and variable environmental conditions.
Pabda Catfish (Ompok Pabda)
● Culturing Cycle Time: 90 – 110 D to 40 - 55 grams size
● Biomass: 60 kilograms/m3 at harvesting
● Temp: 15 – 30 ℃, 22 – 27 ℃ preferred
● Culturing Cycle Time: 150D to 150 grams size from
● Biomass: 60 kilograms/m3 at harvesting
● Temp: 26-30℃
Zhongshan eWater Aquaculture Equipment Technology Limited is a professional company engaged in design, production and sales of Recirculating Aquaculture System as well as aquaculture equipment.
Ewater is focused on the development and manufacturing of industrial recirculating aquaculture system solutions, and its product design and production, including drum filters, protein skimmers, biological filters, aeration equipment, disinfection equipment, heat pumps and water quality monitor equipment.
We work with top-level aquaculture research institutes and experts to develop best solutions for our customers in aquacultrure industry. Our engineering team is committed to develop best practices for each equipment and RAS based on customers' needs.
We continue to be reliable and honest in what we do and how we act.Our mission is to improve sustainability and profitability for customers, and be a valuable partner for customers' long-term business.
Exhibition in Nanning City Guangxi Province，China
Exhibition in Zhanjiang City Guangdong Province，China
On-site installation services are available
Great Service is Our Misson
1. Warranty: 12 months since the shipping date, free maintenance provided. Cost of the spare parts should be paid beyond the warranty. The following conditions are not covered by the warranty.
a) Damaged due to accident or misuse.
b) Damaged by unauthorized dismantling or repairing without permission.
c) Appearance damage
d) Replace the spare parts with the unauthorized ones.
2. For more spare parts (ozone tube, solenoid valve, air compressor, PCB) or any other needs for after-sales service please
contact us via email or phone.
On-site installation services in Uzbekistan
On-site installation services in Bangladesh
1. Who are we?
We are based in Guangdong, China, start from 2014,sell to Domestic Market(20.00%),North America(15.00%),Southeast Asia(15.00%),Eastern Europe(15.00%),South Asia(10.00%),Northern Europe(10.00%),Mid East(10.00%),Oceania(5.00%). There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection and test before shipment;
3.What can you buy from us?
RAS,Protein Skimmer,Drum Filter,FishTank,Degasser,UV Sterilizer,Oxygen generator ,Ozone generator,Water Quality Monitor
4. Why should you buy from us not from other suppliers?
1 Strong Recirculating Aquculture System development capability and experience.
2 Qulity products including every single equipment.
3 Competitive price thru manufacturing cost control.
4 Complete customer service package.
5. What services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency:USD,EUR,GBP,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Cash;
Country / Region
Enterprise Legal Person
Annual Output Value