Dupla Dupla RO 300 Reverse Osmosis System

Product Description

Dupla RO 300 Reverse Osmosis System for Aquariums - For producing reverse osmosis water for aquariums

Reverse osmosis systems produce optimal source water for saltwater and freshwater aquariums. Often, many water-related problems can only be solved by using reverse osmosis water. Reverse osmosis systems operate on the principle of physical filtration. Unlike ion exchangers, for example, which replace hardness-forming ions (e.g., calcium) with other, non-hardness-forming ions (e.g., sodium), a reverse osmosis system physically removes contaminants (e.g., silicate, nitrate) and hardness-forming substances are physically removed from the water. The water flows through a semipermeable membrane in the reverse osmosis system under the pressure (2–6 bar max.) typically found in household water lines. The substances dissolved in the water (contaminants, salts, or hardness-forming substances) cannot pass through the membrane’s fine mesh structure and remain in the wastewater. This wastewater is discharged as concentrate and can be safely used for cleaning, watering plants, or general household purposes. Dupla reverse osmosis systems have a retention rate of 95–98% of all contaminants in tap water.

By adding a Dupla ultrapure water filter (optional accessory) downstream, even the smallest traces of silicates and nitrates can be completely removed without leaving any residue.

Scope of delivery for the Dupla RO 300 reverse osmosis system

• RO 300, fully assembled with sediment filter (5 µm fine filter), carbon filter, and membrane

• 3 x 2 m hose

• 3/4-inch faucet connection

• Flow restrictor with integrated flush valve

• Wall mount

• Hose plug

• Housing wrench for filter and membrane housings

• User manual

Technical Specifications for the Dupla RO 300 Reverse Osmosis System

• Max. capacity: 300 l/day, depending on the quality of the source water

• Average output: 220–300 L/day at 8–15°C and 3–6 bar pressure

• Average rejection rate: 95–98%

• Aluminum: 97–98%

• Cadmium: 95–98%

• Bacteria: 99%

• Nitrates: max. 90%

• Silicates: max. 90%

• Sulfates 97–98%

• Hardness components 95–98%

• Concentrate to permeate ratio: 4:1 / 3:1, depending on the quality and pressure of the feedwater.

Detailed Technical Data

Ratio of tap water conductivity to permeate

1,000 µS to 50 µS
300 µS to 15 µS

Conductivity ratio of tap water to permeate with a downstream Dupla ultrapure water filter
1,000 µS to 1 µS
300 µS to 1 µS