Setting up a marine tank involves creating a saltwater environment with precise salinity levels. Invest in a high-quality protein skimmer and live rock for natural filtration. Regular water changes and monitoring is also key to maintaining a healthy marine ecosystem.

Aquatic plants provide oxygen, reduce carbon dioxide levels, and offer natural filtration by absorbing nitrates. They also create a more natural environment, giving fish places to hide and reducing algae growth.

Consider the species and number of fish you wish to keep. Larger tanks provide more stable environments and offer room for both fish and plants. A general rule is to allow one gallon of water per inch of fish as they mature.

Regular testing is critical, ideally once a week. Monitor parameters like ammonia, nitrite, nitrate, pH, and salinity (for marine tanks) to ensure a healthy environment for your aquatic life.

Algae blooms can be controlled by ensuring your tank is not overexposed to light and by avoiding overfeeding your fish. Introducing algae-eating species and maintaining a proper balance of aquatic plants can also help manage algae growth.

Yes, each type has specific care requirements. Marine fish often require more precise water conditions and a well-matured tank. Tropical fish are usually easier to care for and can live in a slightly broader range of conditions.