Starting Questions - Page 4 - Tropical Fish Keeping - Aquarium fish care and resources
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post #31 of 51 Old 08-23-2010, 05:50 PM
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an external pump would create the least heat. i personally would not do the live rock or sponge. both of these catch debris and allow them to break down. i would use chaeto algae in place of the rocks, with that 6500K light.
the middle baffle of the bubble trap does not need to go all the way to the top of the tank. this only needs to go above the other 2 baffles a few inchs.

also keep in mind your water level will be 8inches high ( the highest baffle ) and evaporation occurs in the pump section of the sump.
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post #32 of 51 Old 08-23-2010, 06:18 PM Thread Starter
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Oh ya i forgot to mention it wasn't going all the way to the top I was doing that to keep it to scale. So what are your recommendations to change? I think I have a 20 gallon tank lying around up north were I am going soon and I can pick it up. So I should have the algae before or after the skimmer? I will start up a new design with an external pump and a refugium type section

~John

When life gives you lemons make some OJ
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post #33 of 51 Old 08-23-2010, 08:03 PM
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if this was mine i would do it

| skimmer (inlet) | bubble trap | return pump | bubble trap | refuge( inlet) |

i would split the drain to go to either side with the return in the center. i would put the heater(s) and carbon/phosban reactors if your using them in the pump section ( center ) i would use chaeto as my macro algae in the refuge and also have a 4'' - 6'' sand bed there as well. the refuge side would need the little box ( illustrated in orange above ) to prevent the sand from blowing around. you could also add 2 - 3 live rock pieces here and rotate one a week up to the display. doing this will allow for micro life to journey up to your display. i would be very carefully about the placement of the rocks though as you dont want them to catch/start building up debris since its such a low flowing area. just an idea.
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post #34 of 51 Old 08-23-2010, 08:27 PM Thread Starter
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I like that idea I will look into it for space and get back to you. I also found Marineland Maxi-Jet Submersible Utility Powerhead Pump 4500, 1175 gph would that work? seems quieter and makes less heat. now to see if I can make your idea work. I like it.

~John

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post #35 of 51 Old 08-23-2010, 09:44 PM Thread Starter
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New design hopefully I can conclude soon but I like this design very efficient and nice. One question though. Should I have the T and the ball valve. If so were should it lead? here is the image and it did work out BUT I don't know if it can hold a 4" sand bed unless I raised the baffles which is possible.

~John

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post #36 of 51 Old 08-24-2010, 12:18 AM
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i would t and ball valve it back to the skimmer section.
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post #37 of 51 Old 08-24-2010, 12:44 AM Thread Starter
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How high should the baffles be. So this would still work with a power outage and whatnot.

~John

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post #38 of 51 Old 08-24-2010, 10:29 AM
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the overflow really determines that as well as the return line. if and when the power fails ( and it will someday ) the water siphons back down until it catches some air to break the siphon. you can fix this by putting a tiny hole in the return line ( make sure its under water as to not spray everywhere ) and when the water siphons up to that hole it will stop the siphon. keep in mind its going to bring a few gallons from the tank as well as whatever water is still in your plumbing.
after EVERYTHING is all set up i would do a test power loss to see what it would look like if you really did lose power.
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post #39 of 51 Old 08-24-2010, 12:26 PM Thread Starter
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So would it be ok to have the 6" baffles turn to 8" baffles and the 5" baffles to 7-8" baffles. Also does it need to be a 4" sandbed in the refuge? or can it be smaller? I will have rock solid plans hopefully by the time I get my light system and the 20 gallon tank.

~John

When life gives you lemons make some OJ
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post #40 of 51 Old 08-24-2010, 10:34 PM
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Put some Miracle mud in the place where you were going to put the sand. Look it up on YouTube. The tanks that use it are outstanding. They reccomend that you don't use a skimmer when you use the mud because it is unnecessary. Look it up.
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