Maintaining a healthy aquarium is a constant battle against invisible threats like ammonia and nitrite, which can quickly become toxic to fish without a robust colony of beneficial bacteria. The best beneficial bacteria supplements—such as Microbe-Lift Nite-Out II and Brightwell MicroBacter Start—deliver high concentrations of essential strains like Nitrosomonas and Nitrobacter to rapidly establish and…
Only one small fish can fit in a 5 gallon tank properly. Keeping multiple fish in such a tiny space can lead to health problems and stress. It’s essential to choose the right size of the aquarium to ensure the health and well-being of your aquatic pets. A 5 gallon aquarium can be an ideal…
Choosing the wrong gravel can stunt plant growth, destabilize water chemistry, and compromise the health of your aquatic life. The best gravels for aquarium plants, like Fluval Stratum and NUPICK Pea Gravel, solve this by offering nutrient-rich, porous substrates that promote strong root development and maintain stable, plant-friendly pH levels. Our top picks are based…
A 20 gallon fish tank can weigh approximately 225 lbs. The weight of a fish tank can vary depending on factors such as the amount of rock, thickness of glass, and type of water. The weight of water in the tank can be calculated based on the specific gravity, with each gallon of freshwater weighing…
Maintaining clean, healthy water in a 5-gallon fish tank is a constant challenge due to the limited volume’s vulnerability to rapid waste buildup and ammonia spikes. The best 5-gallon fish tank filters tackle this by combining adjustable flow rates, quiet operation, and triple-stage filtration—mechanical, chemical, and biological—to keep sensitive environments stable. Our top picks were…
Betta fish often suffer in undersized, poorly equipped tanks that fail to maintain stable water conditions, leading to stress and health issues. The best betta fish tanks solve this by offering at least 5 gallons of space, reliable filtration, and integrated heaters and lighting to create a healthy, low-maintenance environment. Our top picks are based…
Maintaining a stable water temperature is critical for aquarium health, yet many hobbyists struggle with heaters that fluctuate, fail prematurely, or lack essential safety features. The best submersible aquarium heaters solve this with precise temperature control—often to within ±0.1°F—and robust safety mechanisms like auto shut-off, overheat protection, and durable quartz construction. Our top picks were…
Many beginners struggle to keep aquarium plants alive due to confusing care requirements and incompatible tank conditions. The best beginner plants for aquariums solve this by thriving in low-light setups, tolerating fluctuating water parameters, and requiring no CO2 injection—making them resilient and easy to maintain. We selected our top picks based on verified performance, user…
Choosing the right stones for your aquarium can be tricky, as the wrong pick may destabilize water chemistry and harm fish. The best aquarium stones, like Seiryu and Dragon Stone, offer natural aesthetics while maintaining pH stability or safely increasing hardness for species that thrive in alkaline conditions. Our recommendations are based on rigorous analysis…
Ammonia spikes can quickly become deadly for fish, especially in new or overstocked aquariums where beneficial bacteria haven’t fully established. The best ammonia removers, like Seachem Prime and API AMMO-LOCK, neutralize toxic ammonia on contact, with top performers also detoxifying nitrites and chloramines to protect sensitive aquatic life. We evaluated each product based on effectiveness,…
Yes, catfish are known to eat goldfish. Due to the goldfish’s size and slow swimming speed, they are viewed as prey by catfish. If both catfish and goldfish are kept in the same tank, it is highly likely that the catfish will prey on the goldfish. It is important to consider this when deciding to…
No, Glofish and bettas have different dietary needs. Glofish are typically omnivorous and need a balanced diet of both plant and animal matter, while bettas are primarily carnivorous and require a diet rich in protein. It is best to feed them specific foods formulated for their species. What is Betta Food? Betta food is specially…