![Talkingreef show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/007/979/small/talkingreef.jpg)
Summary: in this part 2 of the substrate series, i discuss some of the main differences between using a Deep sand bed, shallow sand bed, and using a bare bottom. i also discuss soem items related to diatoms from a recent thread in our forums
Summary: in this part 2 of the substrate series, i discuss some of the main differences between using a Deep sand bed, shallow sand bed, and using a bare bottom. i also discuss soem items related to diatoms from a recent thread in our forums