I have an Emperor 400 in my 150 also 2 rena XP4, the emperor was given to me with tank I purchased, but after having the tank for 1 year and the filter along with it I gotta it is really good but extremley NOISY!! it is driving me to drink..I have done every thing took it apart cleaned it, but to no luck; it really wants to be a chain saw! no knock to it I like the filter I feel it cleans really well.. just if any one out there has a trick or an advice I would like to know!
thanks...
thanks...
