* Single carbon pre-filter ensures long membrane life and 5-micron sediment pre-filter removes particulate matter to keep water sparkling
* Removes up to 99% of all impurities - including silicates - for clean, clear aquarium or tap water
* 4-way automatic shutoff valve eliminates flooding
* 35 gpd or 50 gpd systems fit your unique aquarium

Pinnacle RO Unit?
Pinnacle 3-stage Reverse Osmosis (RO) units remove up to 99% of all impurities from source water for pure, clear water ideal for aquarium use.

With Pinnacle Reverse Osmosis (RO) units, you’ll help ensure pure, clear aquarium (or tap) water and promote healthy, happy aquarium inhabitants. The Seachem TFC RO membrane in each unit removes up to 99% of all impurities - including silicates - from source water. Pinnacle models filter either 35 or 50 gallons per day (gpd) with a single carbon pre-filter to ensure long membrane life and one 5-micron sediment pre-filter to remove tiny particulate matter and keep water sparkling clean.

Also includes pressure gauge, 4-way automatic shutoff valve that can be connected to an optional float valve to eliminate flooding, high-impact poly quick-fit fittings, plastic no-rust mounting bracket, and external flow restrictor. Modular design makes adding accessories easy.

Shop for Pinnacle Series RO Units at DrsFosterSmith.com

* Hi-S membranes remove even the finest silica particles
* Maximize aquarium health by removing algae-fueling nutrients
* Quality reverse osmosis unit effectively removes tap water pollutants

The 3-stage Hi-S RO 35 and 60 include a Hi-S membrane to remove more phosphate, nitrate, and heavy metals than other membranes. This system removes more silicate from tap water than any membrane available - between 98% and 99%. They also include a sediment pre-filter and a solid carbon block filter. The 4-stage Maxxima 35 combines the features of the Hi-S units with a dual-stage deionization cartridge. The Deluxe Maxxima 35 and Deluxe Maxxima 60 have the features of the Maxxima PLUS a liquid-filled pressure gauge and a TDS monitor to verify membrane function. All units include a 3/4″ garden hose adapter and 6 ft of yellow, blue, and orange tubing. Can be run on any water system, well or city. If your water source gives a psi of less than 60, an RO water pump will help.

Shop for Kent Marine Hi-S RO Unit at DrsFosterSmith.com

* 4-stage combination reverse osmosis and de-ionization units
* Removes nearly all tap water contaminants to make it 99.9% pure
* Essential first step in maintaining excellent aquarium water quality
* Ideal for reef aquariums and all systems that require pristine source water

The 4-stage Maxxima RO/DI takes the full size RO to a higher level of filtration. The Maxxima is an excellent selection for reef enthusiasts and other serious aquarists, especially those who live in areas with exceptionally high levels of phosphates in their tap water. Includes: TFC (Thin Film Composite) membrane, carbon and sediment pre-filters, mixed-bed deionizing post-filter, with clear canister housings. The post deionizer takes the small percentage of contaminants that the membrane could not remove and filters this to greater than 99.9% pure. Replacement Mixed Bed Resin Cartridge available.

Shop for Maxxima RO/DI Units at DrsFosterSmith.com

* Premium Thin Film Composite RO units
* Remove up to 99% of impurities
* Economical and easy-to-use wall mountable units

Produce clean, pure water from chlorinated or non-chlorinated source water. Premium Thin Film Composite (TFC) units remove up to 99% of hardness, heavy metals, toxins, and many other impurities. Economical and easy-to-use units are wall mountable. Does not require separate flush kit - simply switch the two outlet fittings. 4-stage RO/DI unit with mixed-bed resin deionization cartridge removes any additional impurities to produce 99.9% pure water. Pure-Flo II with RO pump is perfect for areas with low water pressure. Integrated diaphragm pump increases water pressure to maximize production without having to purchase a separate RO pump

Shop for Coralife Pure-Flo II RO Units at DrsFosterSmith.com

One of the most important pieces of equipment to any saltwater aquarium is a Reverse Osmosis Unit. This piece of equipment greatly increases your chance for success. One of the main reasons why people leave the hobby is because their aquarium was overtaken by green hair algae.

Why Should I Use RO/DI Water?

Tap and well water contain impurities like phosphate and nitrate. Phosphates and nitrates can lead to algae blooms and headaches down the road. Even if you have well water with no chemicals, it will still have these impurities.

How Does a Reverse Osmosis Unit Work?

A Reverse Osmosis Unit pushes pressurized water through sediment and carbon filters and then through the Reverse Osmosis membrane. The Deionization stage occurs when water leaving the membrane passes over a special resin. The filters are placed in the RO Unit from largest to smallest, so the largest particles are removed from the water first. Running the water pressure at 60 PSI and an occasional membrane flush can greatly increase the life of most filters. Depending on the amount of water you use and the cleanliness of your tap or well, most filters last six months and most membranes a year.

How Clean is RODI Water?

TDS or total dissolved solids, is one way to test water purity. It measures how much stuff is in your water. This includes copper, chlorine, phosphate, silicate, iron, zinc, lead and nitrate. Typical tap and well water has a TDS of 250-500ppm. After RO purification the typical TDS is between 5 and 10ppm, and after RODI purification it is between 0 and 5ppm. As a result, algae has 25 to 50 times less nutrients that it can use to grow.
In summary, using Reverse Osmosis water is one of the keys to success in the saltwater aquarium hobby. Combined with proper filtration, this can dramatically reduce algae growth and aquarium maintenance. This will also save you from hours of frustration and wasted money. Besides a filter, this is by far the most important piece of equipment for a reef aquarium.