Flow in a 20H

S

sparky5785

New member
So I just set up this 20H budget tank and all I have is an old koralia 2(600gph). It does not seem to be enough flow. I'm looking at getting 2 Koralia Evolution 550's. Do you think this will be enough flow in the tank? I want moderate flow for the tank not to weak but not overly strong either please let me know what you think. Thank you.

Brandon

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Look up a JBJ ocean stream unit. Nice and cheap, but either two 500 gph or 1600 gph, very wide flow pumps with a wavemaker.
 
yogoshio said:
Look up a JBJ ocean stream unit. Nice and cheap, but either two 500 gph or 1600 gph, very wide flow pumps with a wavemaker.
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In your experience wider than koralias? Would two 500gph on opposite sides be enough do you think? How is the articulation of the powerhead?

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I'd say so. The flow is MUCH wider than koralia. I had two of the 1600 gph in my 55, and it was perfect. The articulation is ALMOST as much as a koralia, but since the powerhead is wider its not quite as much, but still really useful.

The flow was wide enough that it covered 60% of my tank when they were on. I used another koralia 5 to cover the rest.
 
yogoshio said:
I'd say so. The flow is MUCH wider than koralia. I had two of the 1600 gph in my 55, and it was perfect. The articulation is ALMOST as much as a koralia, but since the powerhead is wider its not quite as much, but still really useful.

The flow was wide enough that it covered 60% of my tank when they were on. I used another koralia 5 to cover the rest.
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If you think I'd be good with two of them in the tank I may go with them as they seem to be smaller and less intrusive which I like especially in such a small tank.

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For a 20 gallon you should be fine. That'll be 1500 gph of flow, not including any filtration, which is 75x turnover.
 
yogoshio said:
For a 20 gallon you should be fine. That'll be 1500 gph of flow, not including any filtration, which is 75x turnover.
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I will be removing the old koralia that is in there now so I'd be at 1000gph plus the prizm skimmer and power filter

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Still more than enough. I forgot this is my old tank :) Have fun. This thing was perfect for small clowns and gobies.
 
yogoshio said:
It wasn't until you said prizm that it clicked, lol. Iiiiiiii'm dumb.
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LOL nah thanks though for the help I'm going to call the doctors and place my order today. Yay. I'm still looking for a 4 bulb t5 light for it though might want some zoas and lps in there. Nobody here has one available (sad face).

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sparky5785 said:
LOL nah thanks though for the help I'm going to call the doctors and place my order today. Yay. I'm still looking for a 4 bulb t5 light for it though might want some zoas and lps in there. Nobody here has one available (sad face).

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see if you can find a finnex 24" with the LEDs. It a great light on my grow-out system. There are 9 LEDs and they have 2 settings, so they do actually add par instead of just pop.

http://www.aquacave.com/Finnex-24-LEDT5-Combo-Aluminum-Light-Fixture-4-x-T5-9-x-LED-P2474.aspx
 
yogoshio said:
Um, what? lol
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All I was saying was I was going to place my order from Foster and Smith and just putting feelers out there that I am looking for a 4x24w t5 fixture in case anyone sees this and has one laying around or knows someone who might.

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I have a 20H setup right now and I had a mag 3 as a return pump and a karolia 1 and it worked great for 4 months but I started to get some hair algae on my sand so I upgraded to an mp10. Idk if my problem was due to wave maker as I still have algae so I think 2 koralias would be fine or maybe one koralia 2 and a koralia nano.
 
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