For high tech with fert dosing, just buy whatever looks good to you, plants can live in anything as long as they're receiving nutrients somehow. Someone stated PFS can have mold inhibitors added, then someone else stated there's didn't appear to have it and their tank is doing fine with it. Pool filter sand is a good option, sometimes hard to find the right color, though.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.