Arowana Planted Tank

02/05/2026

Why Your CO₂ Cylinder Gauge Still Shows Full… Until It Suddenly Doesn’t

Why pressure does not tell you how much CO₂ is left — and why the gauge only drops near the end. Many people have the misconception that the pressure gauge on our CO₂ cylinder tells us the amount of CO₂ left in the cylinder. However, that is not true. The gauge measures pressure, not volume or weight. The pressure reading will usually only start dropping significantly when the cylinder is almost empty....

Why pressure does not tell you how much CO₂ is left — and why the gauge only drops near the end. Many people have the misconception that the pressure gauge on our CO₂ cylinder tells us the amount o…

18/02/2026

Happy New Year to my Chinese followers and Blessed Ramadan to my Muslim followers.

26/12/2025

Been busy with work until recently and haven't really had a chance to sit and enjoy the view. The end of year break is a blessing to finally chill and decompress while basking in the serenity of the tank. The regal calm of Dragon despite his strength is a reminder that work and responsibility can be carried with calm efficiency.

03/12/2025

Fella has gotten chonky! Caught me framing him. View from the sofa.

#アロワナ #아로와나

05/07/2025

The first roll lasted 98 days, just over 3 months. Changing to the new roll was easy. Although slightly complicated by the limited space of my set up. The roll was heavy due to dampness, but no smell whatsoever.

SK5000

26/03/2025

Nymphaea zenkeri "Red Tiger Lotus" and Limnophila hippuridoides thriving. Powered by APT-3, APT-e and APT Jazz.

Get a discount on 2Hr Aquarist website with promo code "AroPT". Or use the link in my IG profile links.

16/03/2025

still doing well after 6 days. Slightly bigger and starting to show their trademark snowflake shaped leaves. 🤞🏻2nd Photo is from 6 days ago.

10/03/2025

thriving! Happiness is seeing oxygen pearling under the translucent leaves.