mine is hooked up to a eheim 2213 (i think that's the model) so it is around 110-120 gph. Ever since I hooked it up my water has been CRYSTAL clear. You can't even tell there is water in the tank! So...your flow rating really depends on what you want to kill. My setup is working fine for me but if I noticed parasites, etc I would have to close one of the valves 1/2 way. Hopefully that won't happen! Good luck!
well thanks for the info, but you are telling what you are using to push the water not how much water is pushing. for example I have my chiller connected to a 400 gph pump but by the time it makes it all the way through the pluming it is pushing 120gph.
I guess I'm asking what is more important to control
Obviously its best to control all three using a low-output pump. But I would say at least get it around the algae area. And if you do need to fight parasites then you will just have to slow the flow even more. It really just depends on what you are trying to accomplish.
The slower the better, yes but, you also need to make sure you cycle your tank volume through the UV sterilizer as well. Personally I don't run them so I've stayed out of the thread until now. You'll need to figure out how many times per hour you want the volume of tank water to go through the sterilizer. Running 30gph through it will guarantee that whatever passes over it will die but the reproduction rates in the tank itself will far exceed what is being killed in the sterilizer. I'd probably shoot for a pump that can handle 5x the tank volume and use a valve to throttle it back some. Adjust as you see fit by the results you get.
Please note. I've read several times that unless you tear the sterilizer down weekly for cleanings, that the gunk that sticks to the glass will prevent the sterilizer from actually working. I forget the name of the one company that makes a sterilizer that comes with a wiper. You simply pull the plunger back forth on a weekly basis to clean the glass.
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