Bettas need filters. Ammonia levels reach toxic 2-4 ppm in 3-7 days without filtration, causing gill damage. Nitrite spikes to lethal 10-20 ppm. pH drops to stressful 4-5. Dissolved oxygen falls below critical 2 mg/L. Proper filtration (3-5X tank volume/hour) maintains ammonia <0.02 ppm, nitrite <0.2 ppm, pH 6.5-7.5, DO >5 mg/L for health. Lifespan … Read more

Yes, betta fish need a heater to maintain a stable water temperature between 76-81°F (24-27°C), which is essential for their tropical origin. In rooms below 75°F (24°C), a 25-50W adjustable heater is crucial for 5-10 gallon tanks. Unheated, water can drop below 65°F (18°C), causing a 50% metabolism reduction, 24-48 hour digestion, 20-30% immune function … Read more

Betta fish, also known as Siamese fighting fish, are popular aquarium pets known for their vibrant colors and unique personalities. betta fish sleep 6-12 hrs/day, 25-50% of 24-hr cycle. Avg. bout length 20-40 min, 6-8 bouts/day. Sleep peaks 2-3 hrs after dark onset. Melatonin synthesis highest at <0.5 lux. Resting metabolic rate drops 10-20%. Inactivity, … Read more