Originally Posted by wingzfan
I do a 10% water change every week. I am wondering if I should use a vacuum-siphon in the sand or if i shouldn't because it will disturb beneficial bacteria colonies. thanks!
It's a good question. I am wondering the same thing. I like to vacuum because I see lots of "muddy, dusty" looking stuff coming out, and it feels good to clean that stuff up... But perhaps we should not vacuum every single time, eh?