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Old 07-15-2006, 07:23 PM   #11
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John now I am getting more confused. Everybody has told me to have at least 2 PH. I am planning to upgrade to Reef after I get experience. You really think 2 AC for 30 gal. will be to much for the 29?
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Old 07-15-2006, 07:58 PM   #12
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Sorry to confuse.

The rule of thumb is 10-15x flow for reefs. So for a 29g, you can have up to 450gph (15x29). Your skimmer will have some flow, maybe 200gph, not sure.

Just saying that the less pumps in the system, the easier to control the temp. If your skimmer is one one side of the tank, you can place the PH one the other side flowinf across the length of the tank. It really all depends on how you rockwork is placed.

John
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Old 07-15-2006, 09:11 PM   #13
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So I should buy 1 instead of 2?
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Old 07-15-2006, 09:45 PM   #14
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IMHO, I'd get two. Skimmers are rated for certain tank sizes, but IME don't really count towards the total GPH of the tank. I have two AC 30's in my 29 gallon and a skimmer rated for a 100 gallon tank, with no problems
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Old 07-15-2006, 09:48 PM   #15
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Awesome Devilshirts, Awesome. That is all I wanted to hear was somebody with a 29 and it works. I can't wait til I am ready to go. I am going to post a step by step so I can get opinions and help other newbies.

Thanks Again
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Old 07-15-2006, 09:53 PM   #16
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Welcome. FWIW, I have one powerhead on the right back of the glass facing along the back and one in the front left of the left side facing along the front. This creates sorta a circling motion in the tank. Alot of people push theirs in the middle to create a crashing effect. This hasn't been the best option for me and created alot of deadspots in my tank. You can experiment with what works best for you. Like john said, it depends alot on your rockwork.
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Old 07-16-2006, 01:08 AM   #17
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I had a 29G for 5 months which i broke down a week ago. I had 2 PHs with a total of 320GPH flow and it wasn't even enough to prevent my tank from having a cyano outbreak :/ I suggest you get 2 maxijet powerheads then modify them with the maxi mod. Put them on an on/off timer to create random flows. That way you will have 4 currents for the price/heat of 2 PH's

Here's how the mod works: http://www.geocities.com/nivenboug/Cutmaxijets.html

HTH
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Old 07-16-2006, 01:18 AM   #18
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I have two maxijet 900's in my 29gal tank and my tank sits at about 82 degrees. I didnt want to go with the 1200's because I thought it maybe to much flow. I have mine pointing at eachother creating the crashing effect that Devilishturtles was talking about. So far so good. I am moving tanks now but it seemed to work well for me. I dont know the exact flow on them is though? HTH
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Old 07-16-2006, 01:27 AM   #19
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FYI, The maxijet 900 creates 230GPH flow
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Old 07-16-2006, 01:33 AM   #20
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[quote] Put them on an on/off timer to create random flows. That way you will have 4 currents for the price/heat of 2 PH's[quote]

Thats a great point about the random flow.

As far as two powerheads vs one...IMO flow is flow and the skimmer does create a current in the tank, so it could count as part of the gph, just like you would count the flow from a sump as part of your flow equation.

I was just worried that in such a small tank, 3 pumps (skimmer plus 2 PH) IMO seems like a lot. Maybe those zoomed PH just create a lot of extra heat.

John
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75lbs Live Rock
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AquaC Remora Protein Skimmer
Marineland penguin HOB Filter
4x65w PCF

FISH
1 - Percula, 1 - Blue-Yellowtail Damsel, 3 - Green reef Chromis

Inverts
Rose Annenome; Anchor Coral
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