Who Gives A Fish Forums

I just use gravel, man. Easy to clean, and it's cheap. My tank's a 5-gallon with a hang-on-back filter, no plants, just some driftwood. Fish seems chill, but maybe I should switch it up?


Gravel's fine for a simple setup, but if you ever wanna add plants, you'll wanna switch to something with ...

Sand's fine, but if you're into planted tanks, aquasoil's the way to go. It's packed with nutrients for the plants, and it doesn't mess with the water chemistry too much. I've got a 15-gallon with aquasoil, CO2 injection, and a canister filter. My bettas are thriving, and the plants are growing like ...

If you're running carbon, switch to a high-quality one like Rox 0.8. Cheap carbon can leach phosphates. Also, test your salt mix straight out of the bucket—some brands have detectable levels. And +1 to the GFO suggestion, but ramp up slowly.