ARKA Aquatics myAqua1900 Osmosis System
Powerful and chemical-free – the ARKA Aquatics myAqua1900 reverse osmosis system uses the power of water pressure and filters up to 99 percent of the salts, bacteria, and pollutants such as nitrite or phosphate and heavy metals from conventional tap water. The ratio of osmosis water to residual water is just 1: 1-1.5. This is how effectively the water is treated to create a safe feel-good atmosphere for marine and freshwater inhabitants.
Built-in protection
ARKA myAQUA 1900 has an automatic shutdown function. It interrupts osmosis water production after 2 hours of continuous operation. The LEDs then glow red. If you want to continue with osmosis water production, disconnect the device from the mains for a short time. The system will then continue to run normally.
The system works without chemical additives – it works via water pressure and natural filter materials, without chemical additives. This means that the retention rate is very high.
- Filter performance: up to 1900 litres / day
- Osmosis water to residual water: yield approx. 1:1 – 1.5
- Working pressure: 1 to 4 bar
- Temperature: 5 to 38 degrees
- Salt retention capacity: 98% – 99%
The system components carbon and fine filter (cartridge), as well as the membrane filter, are subject to the following change intervals:
- Membrane filter: 12 – 24 months from commissioning
- Fine filter: 6 – 12 months from commissioning
- Carbon filter C1: 6 – 12 months from commissioning
- Carbon filter C2: 6 – 12 months from commissioning
Tip: Filters are consumables and must be replaced regularly! So that your darlings can always enjoy consistently high water quality, we recommend keeping them in stock. All three system components (carbon, fine, and membrane filters) are available separately.
myAQUA 1900 |
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Daily output | 1900 liters of water |
Dimensions | Approx. 434 mm x 163 mm x 418 mm |
Osmosis water/residual water | Yield approx. 1 : 1 – 1,5 |
Salt retention capacity | up to 99 % |
Flow rate | 1.32 l/min |
Working pressure | 1 – 4 bar |
Usable water temperature | 5 – 38°C |
Electricity consumption | 70 W |
Voltage | 24 V |
Scope of delivery | Faucet, 300 cm hose (supply), 600 cm hose (osmosis & wastewater), T-piece 1/2 – 1/2 incl. valve, wall mounting, power supply, TDS/EC measuring device, sewage clamp, water connection 3/4 – 3/8, shut-off valve 1/4 – 1/4 |
Article | #MA1900 |


LED lights up permanently white = filter/diaphragm is fully functional. LED lights up red + 10 times sound signal = filter/diaphragm should be changed

The filters can be easily turned out of the anchorage on the osmosis system.

Can be connected to all commercially available household water pipes.