EventHorizon Posted February 21, 2011 Share Posted February 21, 2011 I have the Koralia 425 as well as the Koralia 750 evolution running in a 35 gallon all glass cube. The plenum is shallow (less than .5 in). They are pointed towards the surface to create an upward draft, and so far it looks good. The smaller power head was from my 15 gal, and I bought the 750 to create enough flow in the tank for my stony corals. Is 1,175 gph overkill for a 35 gallon? Quote Link to comment
Dr.eclipse Posted February 21, 2011 Share Posted February 21, 2011 i think its fine, as long as you're corals aren't being hurt by the flow. Quote Link to comment
matth6761 Posted February 21, 2011 Share Posted February 21, 2011 The more the merrier. I've got around 800-1000 in 20 gallon and everything looks great. Quote Link to comment
Trogdor447 Posted February 21, 2011 Share Posted February 21, 2011 The more the merrier. I've got around 800-1000 in 20 gallon and everything looks great. im at around 750 in my 20.. Everything is fine in my book! Quote Link to comment
lakshwadeep Posted February 21, 2011 Share Posted February 21, 2011 No, unless you have "lagoonal" corals like Euphyllids (hammer, torch, frogspawn corals) which have polyps that can get injured. Quote Link to comment
hemi Posted February 22, 2011 Share Posted February 22, 2011 I run about 1600 on my 48g Quote Link to comment
zma21 Posted February 22, 2011 Share Posted February 22, 2011 I have 1400 going in my 25 cube, and would put more buy my sand can't handle it. Quote Link to comment
LPS-Crazy Posted February 22, 2011 Share Posted February 22, 2011 Always remember that 1000gph random flow is not the same thing as 1000gph directional flow. Suction cup a 1000gph return pump to the side of your tank, that is directional flow. Buy a cheaper wave maker controller for those two pumps and you will have a nice rocking motion in the tank similar to a vortech. Quote Link to comment
Walking_Target Posted February 22, 2011 Share Posted February 22, 2011 I wouldn't worry about it at all. I have a pair of Koralia Nanos and a return pump on my Biocube 14. The old nanos are rated at 425gph each and the return pump is rated for ~130gph Doing the math really quick... 425+425+130= ~980gph in a ~10g-12g total display area... that equates to about 82-98 gallons per hour of turnover in the display, not counting the fact that rock takes up a fair chunk of that volume. and for a long time I did have a frogspawn in there and it did just fine - i would recommend maybe a little less flow for something like a torch. Your total aproximate turnover would be for abotu 32-34x tank volume per hour. about a third of what mine is. you'll be fine Quote Link to comment
GokesReef Posted February 22, 2011 Share Posted February 22, 2011 That's only 30x.. so yeah, you're fine. Might even be on the low end. Quote Link to comment
Canada-Char Posted February 28, 2022 Share Posted February 28, 2022 Hi Everyone, I'm just starting up my new Fluval Flex Sea 32.5 gallon and bought 1 hydor 3rd gen 1950 circulation and wave pump. Would I need a second one or will one be enough. No fish or corals as of yet but that's the goal😊 Quote Link to comment
mcarroll Posted March 3, 2022 Share Posted March 3, 2022 Hey! You should open a thread of your own and include a little more info about the tank as well as a photo or two! In general, two pumps are better for flow than one. Quote Link to comment
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