Welcome To RainDance H2O: Residential Sea Water Treatment  & Commercial Seawater Desalination Systems

Brackish Salt Water Filtration : Sea Water Purification & Ocean Water Desalination Systems

Have a Sea Water Purification Question? Call 1-877-788-8387 or Email:  and we will have a seawater treatment representative contact you ASAP. *No Waiting! Our knowledgeable water filter representatives will reply to your email within minutes, 7 days a week!

Use our sea salt water filtration units as your primary filtration system or use as an emergency stand-by water filter unit. Learn how our selection of small 750gpd to 4,000gpd residential home to light commercial sea water purification systems can turn sea water into fresh drinking water for your home, business, cottage, vacation home, or hotel. The best known applications for the RO process is in sea water desalination, where fresh water is generated from seawater by removing the salt.

Land based sea water desalination equipment designed for residential homes and commercial purification applications such as seaside hotels, vacation rentals, island resorts, and emergency back-up water source. 

Our Most Popular Skid Mounted Sea Water Desalination Equipment Special Is Back!
The RDWS-WH-SWRO Sea Water Skid Series is a complete sea water desalination purification water system, pre-assembled and shipped on a single skid for quick and easy installation and start-up. The system consists of hard water & silica pretreatment, sand & sediment pretreatment uv bacteria disinfection, re-pressure delivery pump, and off-skid 300 gallon storage tank. The RDWS-WH-SWRO Make-Up Water Series is pre-engineered allowing quick assembly and delivery. With simple utility connections and pretreatment set up, the system is virtually ready for on-line service, saving customers both time and money.

 Learn more about our Complete Integrated Skid Sea Water Filters at or view our Non-Skid Seawater Desalination units below:

Sea Water Filter

Not all reverse osmosis systems provide the same filtration capabilities:
There are significant differences in the equipment used for removing most of the dissolved solids from seawater and from most tap or well waters. Seawater units are referred to as desalinators and surface/well water units are called reverse osmosis (RO) units. The laws of physics require approximately 1 psi driving force for each 100 mg/l of solids dissolved in the water to be treated. Seawater has about 35,000 mg/l of dissolved solids so to obtain the first drop of permeate water a pressure of 350 psi is required. Reverse osmosis units on the other hand normally treat water where the dissolved solids content is in the area of 6,000 mg/l or less. The required pressure for that first drop of water for 6,000 mg/l is 60 psi. To insure an adequate flow of water from the respective devices seawater units usually operate in the area of 1,000 psi and RO units in a range of 150 to 250 psi. This additional pressure requirement for seawater increases the required strength of almost all components and requires much larger pumps. Also, seawater is extremely corrosive so the materials of construction for seawater units must be non-corrosive. All of these differences cause the cost of seawater units to be much higher than the cost of a standard reverse osmosis system.

Model: TV-SWRO-750 Premium Compact Desalination System

Iron Max Iron Filter

TV-SWRO-750 Desalination System
Special Price Valid Until December 31, 2017
Price: $9,999.00

Money Order - Check - Wire Transfer Also Accepted
Model # TV-SWRO-750 Desalination System
System Function Sea Water Desalination for Potable Drinking Water
Dimensions 49"H x 22.5"W x 25"D
(125cm x 57cm x 64cm)
Prefilter 20" sediment /debris 10 micron filter
220V 50/60 Hz / 380V 50 Hz
 7.0 A / 11 A
(Please specify when ordering)
Production Rate 750 gpd
(approx. 2,839 liters per day)
Dissolved Solids Rejection 98% at 20-25% Recovery
Feed / Drain / Product
1/2" / 3/4" / 3/4"
Temperature Min: 33*F / .5*C
Max: 113*F / 45*C
Operating Parameters TDS: 50,000ppm
Total Iron less than .2ppm
Total Manganese less than 0.04ppm
Total Hardness less than 171ppm
Chlorine Tolerance 0.1ppm
Production rate is based on input water temperature of 25 C (77 F). If your water is colder production will be lower.

TV-SWRO-750 Systems Include The Following Premium Features:

- Stainless Steel Frame, Vessels, Gauges, Hardware
- Structural ABS Control Panel
- System Control: Microprocessor control by product tank level and feed pressure. Also provides product TDS monitoring.
- Salinity Monitoring: Automatic electronic monitoring. Temperature compensated with the digital continuous readout. The salinity monitoring components of the system provide TDS readout in ppm (parts per million) of product water.
- Salinity Range: Designed for seawater use up to 50,000PPM TDS (NaCl) (typical seawater salinity is 35,000 ppm)
- Automatic Membrane Flush: Premium Feature - Membranes flushed with clean product water for 5 min. after every shutdown

TV-SWRO-750 Replacement Prefilter Package: Every TV-SWRO-750 Desalination System will include a 8* Year Replacement Prefilter Package. Package includes 24 replacement sediment prefilters. *8 year supply of prefilters when replaced every 4 months. Some applications may require a more frequent replacement interval.

OPTIONAL SKID MOUNT SYSTEM: Our TV-SWRO Sea Water Desalination systems are designed as a stand-alone purification system but they can also be implemented on top of our complete skid mount purification station. Every Skid Mounted Sea Water System includes customized sediment & mineral pretreatment, our high performance sea water purifying system, UV disinfection, and repressurization all located on a single stainless steel skid frame with wheels for easy positioning. Contact Us for more Skid Mount Desalination applications >>>

Quick Guide: How Our Whole House/Commercial Seawater Desalination Systems Work:

You will need to supply pressurized seawater to the system (pump for sea water to system not included). Sea water will enter the attached prefilter for extra membrane protection - additional pretreatment may be needed before this system. Prefiltered water then enters the seawater RO membrane water purification system. The purified desalinated water comes out as a small stream so a separate storage tank and repressure pump is needed to collect and deliver purified water to your taps or application. Once your storage tank fills with purified water the included float switch closes and shuts the entire system off. When there is a demand for water the repressure delivery pump is activated and draws desalinated water from the storage tank and to the open tap(s). If enough water is used to the point where the float switch is reopened, the TV-SWRO-750 Desalination system is automatically turned on to replace the product water that has been depleted.

Note: We can quote our compatible storage tanks and repressure pumps upon request or source your own and we will include the float and float switch to control the system by tank level free of charge.

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Specifiy Your Requirement: Stand Alone or Skid Mount Options

750gpd - 1500gpd - 2500gpd - 4000gpd Whole House & Commercial Seawater Filters
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Describe Your Application:

Desalination by Reverse Osmosis (RO) is a process whereby fresh water is extracted from seawater through the use of a semipermeable membrane. Prefiltration removes sediment, sand, and debris from the seawater. Then, a high-pressure pump pressurizes the seawater to approximately 800-1,000 psi. Thus, seawater is forced through a semi-permeable membrane, which removes the dissolved solids and produces fresh, potable water on the other side. This method rejects at least 98% of salts, contaminates, and pollutants from seawater.

We Provide Easy To Use Sea Water Desalination & Brackish Well Water Filtration Systems Designed For Residential and Commercial Drinking Water Systems. Engineered Salt Water Filters From 750 Gallons Per Day To 4,000 Gallon Per Day Suitable For Whole-House Water Systems, Irrigation, Island Resorts, Hotels, Motels, Vacation Homes, Emergency Drinking Water Systems, Camps, Lodges, Designed for Sea Water, Salt Water, Sodium & Chloride Filtration, Brackish Well Water, Salty Borehole Water Treatment - Ideal for Back Up Sea Water Source Filtration.

You can find our sea water desalination systems worldwide in California - Florida - Texas - Singapore - Oman - Belize - Bahamas - Virgin Islands


( RainDance Water Systems)

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