Flow question

  • Thread starter Thread starter Knr499
  • Start date Start date
  • Tagged users None

Knr499

Active Member
View Badges
Joined
Nov 11, 2020
Messages
151
Reaction score
206
Location
Trade, TN
Rating - 0%
0   0   0
I have a 90 gallon with corner overflow, my return pump maximum is 1060gph. I can only run it about 50% or my drain can’t keep up. 1 inch return line and 11/4 drain. I also have 2 power heads running at 1050 each. do I have adequate flow or do I need to get pump up to max.
 
Hard to tell without seeing your setup or knowing what you are trying to accomplish. I generally don’t pay attention to turnover and focus more on whether or not detritus is being picked up off of the sand and if fish and corals are happy.
 
I have a 90 gallon with corner overflow, my return pump maximum is 1060gph. I can only run it about 50% or my drain can’t keep up. 1 inch return line and 11/4 drain. I also have 2 power heads running at 1050 each. do I have adequate flow or do I need to get pump up to max.
As long as your water quality is good I don’t think it’s necessary even with your pump only at half
 
Total flow through your sump is, apparently, ideal at about 5.5x your total system volume.
So your system of 90g with whatever sump you have, and calculate 15-20% loss for rocks/sand/not full sump ...
90 DT with 30g sump may only be 75g total volume. So 75x5.5=412gph

Just rough #s but you get the idea
 
The total flow inside your tank is different from the flow through your sump.

Get your sump flow happy for your skimmer/reactors
Deal with the flow in your DT using powerheads, and based on your corals/sand etc.

Think of it as flow for the sump, and circulation for the tank.
 
Lower flow through your sump will allow a skimmer to be the most effective.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
Back
Top