I might be the only person to say this, but I have a hard time cleaning my sand! My fish poo seems heavier than the sand so the sand gets sucked up the tube before the poo. Or, the poo breaks down over a few days and the "poo dust" gets under the sand creating those dangerous stinky bubbles. I switched from gavel to sand and regret it! I am now trying bare.HiImSean;1805297; said:i prefer sand. its cheap and easy to clean

DISCIPLE;1807173; said:i use 3m color quartz aggregate in "t" grade and "s" grade both are heavier then sand and easy to clean w/ "t" being a bit bigger. the black looks better then the tahatian moon sand and way cheaper. i also tried the smoke grey in my 55 ......WOW!! THE CICHLIDS LOVE DIGGING IN IT !![]()