Help with Pumps/Skimmers

zlwags85

Premium Member
Alright -

I'm starting to layout how to set up the 300g logistically. I have a 72" Lifereef skimmer. 2 - 1.5" drains and 4 - 1" Returns.

Questions:

1. Could I gravity feed this from one of the overflows.

2. If I do gravity feed it, will the refugium see enough water?

Here are my calcualtions. I would hook the 2 pumps I have to the returns.

Little Giant 4:
Total losses are 7.54 feet of head pressure, or 3.26 PSI. with a flow rate of 980 GPH. Process took 127 iterations.

Little Giant 3:
Total losses are 7.66 feet of head pressure, or 3.31 PSI. with a flow rate of 780 GPH. Process took 90 iterations

Total = 1,760

So, if 1,000 gph or so will go to the skimmer, the refugium will see approximately 700 gallons per hour.

3. What will the bulkheads support with Durso Standpipes? I calculate about 1,300 per overflow with the calculator on the homepage.

Any other suggestions or help is appreciated!

Thanks much!
 
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