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Old 03-13-2003, 04:01 PM   #11
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Anemoneman... you are correct use the sand to hide the pipe work, So are we saying that closed loops are a good idea.
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Old 03-13-2003, 06:56 PM   #12
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If you have the pump already, there's certainly no reason not to. If it was between buying a $100.00 pump to do the closed loop or buying a couple of $20.00 power heads, I'd go with the PH's. The closed loop will work just fine though.
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Old 03-13-2003, 07:17 PM   #13
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Quote:
So are we saying that closed loops are a good idea.
Yes, closed loops are a good idea, but as logan said, there are alternatives. I personally feel that a closed loop is more versatile and offers options that aren't available with phs, but are easily available with a sump type system. What it is going to come down to is preference and budget.
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Old 03-15-2003, 04:20 PM   #14
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Greetings.

Any recommendations for a 10 gal nano(pump size, etc.)?
The PHs that I have occupy most of the tank's rear.


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Old 03-15-2003, 06:27 PM   #15
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I would use a Mag 5 or the next smaller one (3.5 I think) and plumb it straight up to a manifold with 4 returns for the tank. I would plumb in ball or gate valves for each return so you can control the flow.
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Old 03-15-2003, 10:05 PM   #16
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I'm using a Maxi Jet 1200 for a return pump on the two 20 gallon coral tanks. It creates a good current and handles the 3' or so of head just fine. It's running submersed in the lower tank though. The manufac claims the Maxi Jet will run externally, but I'm not sure I'd trust the seals on it for any amount of time. The Mag 3.5 should do a fine job as long as you use the manifold to split up the return as reefrunner suggested. One return would be too much current in one place. When I had my 10 going, I had about 300 gph going through it via 3 MJ 400's (106 gph) and everything did great.
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Old 03-17-2003, 11:41 PM   #17
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ball valves, gate valves !>!?!?! where does one figure out what these things are when they dont have a clue?
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Old 03-17-2003, 11:51 PM   #18
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Ball valve



Gate valve
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Old 03-17-2003, 11:56 PM   #19
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A ball valve uses a ball with a hole in it to shut off flow. A gate valve is like your hose faucet. It uses a little door or gate to shut off flow. A ball valve requires 1/4 turn to shut off. A gate valve requires many turns to shut off and may be a better choice for flow control.
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