curt.smith
Premium Member
i have a tank stand with multi tanks it has a head fo 8.5 feet from pump to LOC line and branches into both 15 gallon tanks i am useing the mag 9.5 that came with it i belive that this was a Fresh water setup (copper was not used ) that is drilled and salt water is thicker can any one tell me if a Q one 4000HH will work or should i go with a Q One 6000 I have a total water volume of the tank(S) are 15 gallon sub tanks times 6 +sump =120 gallons going up hill 8.5 feet of head / the pump has to be insump what should i use as i am getting surfice film build up and no gas transfer
thank you
thank you