Ok, I can't take it any longer the sight of having spots of green algae on the substrate. I am thinking to remove the substrate that are most impacted...what is the best way to do this? I tried a gravel cleaner, and it wasn't really sucking up the gravel and down into the tube...perhaps, I'm using an incorrect one, so open to suggestions.
Can I replace the removed substrate with a little at a time some new substrate of the same kind without creating any issues of imbalance, etc?
Thanks
Can I replace the removed substrate with a little at a time some new substrate of the same kind without creating any issues of imbalance, etc?
Thanks