Arka myAqua190 – Reverse Osmosis System (up to 190 L/day) oil film remover dense black sand is perfect

dense black sand is perfect for planted tanks

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

simply run it at lower intensity via the app to avoid outgrowing your nutrient supply and triggering algae

The EHEIM Pickup 45 is a compact internal filter for aquariums up to 45 liters

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 dense black sand is perfectThe 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