power head question
where should my powerhead be aimed to not disturb the sand?
10 galllon empty tank with a whisper filter
20 gal SW
tank, penguin 330 bio-wheel, redsea berlin airlift protein skimmer, 22 lbs of LR
, White sand,
29 gal FW
tank, undergravel filter, jaguar, jack dempsey, tiger oscar... few silver dollars, one ugly gourami...