“Great well built return pump and fairly quiet too,but was too long for my Red Sea Nano return pump chamber, but I managed to make it fit by reducing pump inlet with Dremel_ﾙｪ overall very happy it _ﾙﾔ”
“It does a reasonable job of keeping nuisance algae at bay. It is a bacteria product so the bottle won't keep for ever, and it is not cheap, but it does help keep the tank clear. You need something stronger if you have a major bryopsis or cyanobacteria infestation.”
