planted tank

Aquascaping

Choosing the Right Aquarium Substrate

Gravel, sand, or aquasoil? Your substrate affects plants, fish, and water chemistry. Here is how to choose the right aquarium substrate for your tank.

June 20, 2026 6 minute read

Aquascaping

CO2 in Planted Aquariums: Do You Really Need It?

CO2 injection transforms a planted tank, but it is not always necessary. Here is what CO2 does, who needs it, and how to decide for your aquascape.

June 18, 2026 5 minute read