<a href=showthread.php?s=&postid=13076678#post13076678 target=_blank>Originally posted</a> by sabbath
If you have a shallow sand bed.I recommend using the regular aquarium vacuums. Just bend the hose if it is going to fast. Also don't do the hole tank every time. I do about 20% each time.
Some do not it at all. This is asking for a long term overload of waste, I have found.