Search Results for ‘gravel substrate’

I unfortunately do not have access to the Walstad book, but have read people's discussions about the methodology used. I want to eventually try a soil substrate capped with gravel, but I've read that large gravel won't hold the soil down well and it will float up into the water column. So what...

I did a little bit of a search through the substrate part of the forum, but most of the answers I found are somewhat vague, and scattered through the threads with a couple of conflicting thoughts. I'm hoping I can sort of aggregate the answers here. Right now, in both of my tanks (2g, 10g) I...