Substrate opinion.

[Vancouver_98683]

Are the larger grains dark as this?
View attachment 1256100

Possibly. I have the 16 grain purple to test out. Kleenblast let's u take samples home.

 

[Vancouver_98683]

Forgot to mention. If you're going for a more natural look. They'll have samples of different sizes of Monterey sand. Some as large as some size pebbles.

 

[Hendre]

The bacteria is fairly useless. And this stuff is useless for plants without fertiliser, it can easily absorb a lot of nutrients and make it available to plants but doesn't have much from the get go