Vacuuming a sand bed or not That is my question

[Basile]

Originally Posted by Reef Pilot

I used to vacuum my sand to keep it clean, but not anymore. I now have orange spot sleeper gobies in each of my tanks, and they do the job for me.

The difference though is that they don't disturb the whole tank all at once my friend that not comparable. The cleaning lady with her gigantic vacuuming and spatula destroy the whole ecosystem in one shot. How do you think the filtration is affected.