reefdiver
Aquarium Advice Addict
Bb is beneficial I bacteria. It's what changes nitrites to nitrates.
Bb is beneficial I bacteria. It's what changes nitrites to nitrates.
Don't worry about it, that is not the wrong filter at all. Obviously more filtration is better, but it is rated for a 30 so it'll cycle your tank enough times to keep it clean it filters 150gal per hour, the is sufficient. I used to have a marineland 30 gal filter for my 29 and it worked great. Like stated befor make sure you do weekly water changes, which is good to do anyway. But you'll be fine.
Yes you can grow plants in sand. All depends on what plants you want. Some will require liquid fertilizers and others root tablet fertilizers. What kind of lighting do you have? that way we can recommend some plants for your tank.