when i vaccuum my sand which is mostly course but partly fine I tie a not in the tubing of the vacuum to decrease the power of the vacuum. I still get a small amount of sand that gets removed but is not very noticable unless your sand bed is very thin. Hope this helps.
newly set up 75 gal SW
, 30 lbs of fiji lr
, 30lbs of lace rock, 90 lbs of course/fine argonite sand, rena canister filter, 48" 4x65 watt pc
, red sea turbo berlin skimmer.
Inhabitants- 2 percula clown fish, 1 muchroom coral, 2 leather corals, and 2 mystery corals.