Too Much, Too Little Just right?

forcrz6

forcrz6

Member
Ok will I have too much flow. To Little, Or just right.
So this is how I am shaping up for the 110 to get up and running.
I have my 2" overflow going to my 20g Sump. This then goes to my 10 gal refuge, Then back up to the tank.
I have my 1 return line split at the top to have the lines go to either side of the tank. This line is pressurized by a MAG 12.
Now then I have 2 Korella 3s (850gph), and 2 Korella Nanos (240gph)
This will be a Mixed reef tank
Do I have enough flow? Or do I have too much?
 
D

dennis210

Guest
Never too much flow unless there literally is a sandstorm in the water column.
110 X 30 = 3300 You have two HK #3 at 850 each = 1700. Two HK nano's at 240 each = 480. Mag 12 = 1200. So simple math says 1700 + 480 + 1200 = 3380 gph turn over rate. In actuality when beds, head hieght, diameters, dirty implellers, break in, and all factors that reduce optimum flow you are more likely at 75 % of that number or around 2500 to 2600 gph turn over rate. For my two cents try having the two return line point towards front center of tank, the two HK #3's from back side panels towards front center, the two HK nano's on rear back panels low on the ends (really helps keeping substrate cleaner) and then I would add one more HK #3 to middle top of tank pointing straight forward. That would put you at 4230 gph by the manufactures numbers or right around 3200 to 3300 gph actual output.
 
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