3 Tips for Clean Aquarium SandDec 31, 2013 . 3 Tips for Clean Aquarium Sand Cleaning Aquarium sand is easy, although some people do struggle. . Also the syphon is much larger than my previous which I thought would be better at picking up larger debris but my tank is a 40 breeder and the water drains too quickly to adequately clean the bottom.best way to clean sand,How To Clean Sand Aquarium SubstrateMay 26, 2013 . I recently switched from having a bare bottom tank to having sand substrate. The sand I'm using is . How To Clean Sand Aquarium Substrate. Solid Gold .. that much water replacing? i was told no more than 25%. something about removing the good bacteria isn't good. hmm, i'll have to double check this..