plant growth

Hello! So I've been wanting to start a planted tank for a long time and I want to know if plants actually require dirt to grow or if the plants could survive planted in gravel? And how do you start a planted tank? Like do you buy already grown plants and plant them in the dirt/gravel or do you...

I have a 29 gallon tank that I will be setting up soon once I re-seal the silicone and plant it. The problem I am facing is that I can not figure out what fluorescent strip bulb to get for the hood. The tank came with a hood and single light strip fixture. The bulb would have to be 24". I am...

I have a few live plants in my tank, but only one of them has shown any visible growth. I have an 11W, 6700K lamp that I leave on for 9 hours a day. Some of the plants in my tank now are a new set because a few in the old set had started to turn brown, but they looked salvageable so I didn't...