Arka myAqua190 – Reverse Osmosis System (up to 190 L/day) oil film remover or gravel before and after

or gravel before and after planting — essential for creating clean

Controlled via the My Chihiros App over Bluetooth

insert deep under plants with tweezers

Compatible with the Chihiros Slim Mirror Shade (sold separately) for improved efficiency

The biological stage is where your nitrifying bacteria colony lives — over-cleaning it on every visit is one of the most common ways aquarists accidentally trigger a mini-cycle and see an ammonia or nitrite spike days later

Arka myAqua190 – Reverse Osmosis System (up to 190 L/day) oil film remover or gravel before and afterThe Arka myAqua190 is a compact reverse osmosis system producing up to 190 litres of pure, mineral free water per day. Designed specifically for aquarium use, it removes chlorine, chloramines, heavy metals, nitrates, phosphates, and virtually all dissolved solids giving you a clean, controllable water baseline for planted tanks, discus, shrimp, and sensitive biotope setups. RO water is the foundation of precise water chemistry. With a myAqua190 you