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#381
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An easy fix would be to downgrade your return pump to something less powerful. Slowing the rate at which the water flows through the sump should also help in stopping/reducing any bubbles that may be rolling over your last baffle. I think I only had 5-6x turnover on my 105 with a baffle-less sump w/ Skimmer and never saw a single bubble and my return was 100% hard plumbing. On my 75 I was running 16x turnover with a baffle system and always had some amount of micro-bubbles, just not bad enough to bother me. That is just my opinion though. I am Pro-low-sump-flow. Others disagree and are Pro-High-Flow claiming it provides more filtation and oxygenation, but a skimmer can only process so much water. ![]() Your tank is looking fantastic right now though Carmen. Great photo of the fish. ![]()
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180G Office Reef. Started Sept 2012 http://www.canreef.com/vbulletin/showthread.php?t=88894 62G Starfire Reef. Started Jan 2013 http://www.canreef.com/vbulletin/showthread.php?t=89988 |
#382
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![]() I haven't...perhaps something I should try before looking at a new pump/plumbing...???
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Red Coral Online Store ![]() www.redcoralaquarium.net 45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer -2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp |
#383
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to answer and comment on your ideas/suggestions.... First the sump is 40"X12.5" and filled average 13" (So I don't think it's overly small???) Three sections: First is skimmer...baffled with three baffles. Middle is return and end is fuge. I have flow from the display entering through spaflex into each end section (ie one in the skimmer section and one entering the fuge. The reason I think it's the pump is that others with the pS4 report identical issues???? I have no bubbles from the skimmer although I do wonder if the bubbles may be coming from the drop from the fuge. There are bubbles there...although not nearly what I would think would cause what I see entering the display??? It seems fairly "calm" by the time it hits the return bulkhead? So the filter socks to absorb the bubbles...I could try(I hate filter socks....) but I suppose a cheap fix. I do have a large "bubble effect" from the spaflex but not a splash effect since they are under water. I did have abit of a drop from the fuge so I have raised that a little more to see if that helps. Not sure there are too many options on repiping the returns? I am limited I think because of the design of the tank/stand, etc??? Not convinced it's worth looking into a herbie...I am happy with my overflows, they make NO sound. I understand what you said about slowing the flow...don't exactly understand why I would change to a herbie??? And how that would slow the flow??? So something that I don't understand...if slowing things down is the answer...why don't I get any decrease in microobubbles when I close the return valves down?
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Red Coral Online Store ![]() www.redcoralaquarium.net 45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer -2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp |
#384
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My question as I put to Tony is...then shouldn't the bubbles improve if I turn down the return valves? If I used a less powerful pump, wouldn't that do the same? Thanks on the compliment! Startin to fill up slowly but surely... A very easy fish to photograph!! He poses as though he loves it!
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Red Coral Online Store ![]() www.redcoralaquarium.net 45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer -2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp |
#385
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![]() Tank looks great Carmen. Really starting to fill out. Love that tile fish.
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#386
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Kevin |
#387
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![]() Bearing in mind that I'm only running through suggestions that I can think of without being able to see things. (Shoot, Josh helped carry the actual sump to the car, I can't compete with that! What do you need me for.) Small sump only came to mind as one possible cause but that doesn't mean it's the cause of your situation .. it's only as I say, something that comes to mind as a usual culprit. One makes a list of possibles, then you examine to see which ones are plausible, which ones are implausible, and which ones are impossible .. and you work out from there.
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But, if you've already dialed back the pump and it made no difference then maybe it is not a sump speed issue after all. The only thing I can think that hasn't been suggested so far is that there is could be a microhole somewhere acting as a venturi and sucking in air. It would realistically be on the inlet side because on the outlet side you'd either see wetness or a lot of saltcreep. My guess based on everything you've said is that the problem is possibly in your last baffle. If you have a level drop, it is just like a weir and you can get air bubbles. The simple test to confirm this would be to temporarily put more water in your sump so that there is no level drop. If the bubbles go away, there you go; if they don't, well, again if nothing else at least you can eliminate the possibility and know to look somewhere else. Whatever the cause, hope you find it and be able to fix it. cheers
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! Last edited by Delphinus; 04-09-2010 at 06:03 AM. |
#388
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![]() Okay, I raised the level of the water even more in the sump and dialed the pump back even more. Bubbles are still pretty bad. Going to try the filter sock thing.
Now here's the other dilemma.........my nitrates are going UP!!!!!!!!!!!!!!!!!!!!! Up near 50ish+???? I will recheck them at RC tomorrow but WTF??? Shouldn't they be working their way down using the Biopellets? I have tried to reduce my feedings...(I suck at this)...but I don't think I am completely excessive??? Frozen, once daily, rinsed.
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Red Coral Online Store ![]() www.redcoralaquarium.net 45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer -2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp |
#389
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Red Coral Online Store ![]() www.redcoralaquarium.net 45 Gallon Cube with 10 Gallon Sump, Lighting 8 bulb T5, Vertex IN 80 Skimmer -2 Occelaris Clowns, Engineer Goby, RBTA, Peppermint Shrimp |
#390
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![]() Your feeding does not sound excessive to me. I'm sorry that the nitrates aren't going down.
Are you using RO/DI or tap? I'm actually having some pretty bad nitrate (and for the first time ever) phosphate buildups. I use RO/DI for my SW but I wonder if the membrane is going and maybe it's a spring runoff issue? My FW tank is just raw tapwater and it's off the charts all of a sudden, which you'd think wouldn't be possible with the amount of plants in there (well, now algae ![]() We're on different reservoirs but it stands to reason if spring runoff is starting that both the Elbow and Bow river water systems could be having issues? Wonder if anyone else is noticing more NO3 and/or PO4 all of a sudden lately?
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! |
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