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  #371  
Old 03-25-2010, 09:08 PM
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Thanks guys! Phew......I think it will be okay. Another W/C to dilute...and hope those NP pellets start working to bring the nitrates down!
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  #372  
Old 03-25-2010, 09:47 PM
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Glad to hear everything worked out ok Carmen. Might be a good idea to hold up on the Nem Viagra dosing for awhile.
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  #373  
Old 03-26-2010, 02:59 AM
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Quote:
Originally Posted by Lance View Post
Glad to hear everything worked out ok Carmen. Might be a good idea to hold up on the Nem Viagra dosing for awhile.
No Viagra in this tank!
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  #374  
Old 03-27-2010, 04:04 AM
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Another W/C today...nitrates still measuring 20-30. Tank looks okay but I did find another dead snail...

So when do the pellets start working?
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  #375  
Old 03-27-2010, 04:31 AM
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You should start noticing a downward trend after a week or so. It will probably take up to a month to get to the single digits or zero though.

How old are the snails? I find mine kinda go in waves like that too.
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  #376  
Old 04-08-2010, 03:15 PM
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Picked up a bunch more sps last week from a friend (thanks Argentiner...you are too generous!). They seem to be doing well. My favorite a frag of blue Milli (ofcourse I can't get a good picture of it to show you cuz it shows up brown and blurry...)and my green slimer. I don't know the names of any of the sps but they look purty!! Gonna have to start to learn em I guess. A couple months ago I was given a colony of sps that was pretty browned out and to my surprise it is coming back a really bright purple! (Thanks Al!) Love it!!!(Anyone have a name for it?)








So I have tried to accept the microbubble issue with the tank but it's driving me crazy!! I am seriously thinking about buying a new return pump and changing the plumbing somehow to try to deal with the problem. I think the PS4 is my problem??? So what should I replace it with if I do go ahead??? (I don't have $1000 to spend!! I need something cost effective and quiet, external...hmmm) Also I have minimal room from the bulkhead to the pump in the curved stand so I have a 90 degree off the sump(not ideal, I know)but not sure there is anything I can do about it...Is it worth replacing the PS4 if I can't eliminate the 90? Pic shows the 90 off the sump. Pump is just right off that 90 and then the return comes straight up from the pump. My returns have those 90 bends too because we tried to work with the plumbing that came with the tank.


I just love this fish! He has great character...swimming in the tunze current, out to greet me first thing every morning, swims right into my hand and I just love his cute little face! I just can't help but snap pics of him everytime I am taking tank pictures!

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  #377  
Old 04-08-2010, 03:25 PM
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Have you ever thought of using spaflex instead of the 90s?
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  #378  
Old 04-08-2010, 05:53 PM
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Hi Carmen,

Replacing the pump probably isn't the answer to the microbubbles. I have forgotten what your sump setup is specifically but looking at that last picture there of it, I'm guessing it's something like a 20g and choosing it was probably based on that it can fit in your stand and so on.

The problem is a 20g is a short sump, and short pumps often don't have enough water contact time to shed bubbles by the time it hits the return pump, and thus you end up with microbubbles.

You might see the occasional sump these days that are split down the middle in the long dimension so that water goes down and back, effectively doubling the linear length of the sump .. although the flip side to these designs is that at half the width, water travels twice as fast.

(I'm not suggestion you revamp your sump like this, just sharing it for informational reasons.)

Anyhow. The problem is water speed through the sump.

As an aside this also means replacing the 90's may have a paradoxical effect as this will speed up the sump return and thus increase the speed through the sump.

But here a few things you can try that don't involve a major re-architecture of the sump:

1) A 100micron filter sock. I have to use these myself because of the cube tank arrangement my sump size is limited and without the sock I get *terrible* microbubbles in the main display.

They don't slow the water speed down any, but what they do do (hee hee .. I just said "do do") is contain the splash effect at the point of sump entry so that less bubbles travel onward in your sump. Plus they help polish your water.

2) Also if you have any baffles that create a level drop, these create a weir effect and this can reintroduce bubbles into the water. So raising the water level in downstream section so that the level drop isn't as pronounced can help.

3) Next, how far is the output of your skimmer from the sump return intake? The bubbles could be coming from your skimmer. What I would do (this is another thing I have to do in my sump) is pipe the skimmer output back to the beginning of the sump. This has dual benefits: 1) bubbles have time to be shed, and 2) it creates a slight recirculation effect with the skimmer (ie., the skimmer reskims some of the water it just skimmed) and thus the water exiting the sump back into the main display is theoretically a tiny bit cleaner.

4) Also, there may be a way to repipe the drain pipework from the tank back to the sump so that water slides in an angle rather than crashing straight down into the sump. The goal is to reduce the splashing effect as much as possible of the water entering the sump.

5) If it really gets unbearable, you could try some kind of Herbie style overflow. Herbie systems are the best for no-microbubbles, any tank I do myself from now on will have Herbie overflows. It is possible to get a Herbie overflow in a tank with a single hole drilled, we just need to get creative on the piping. Sphelps had some diagrams posted up a few months ago if you wanted to go looking at details but if this is something you want to consider at some point, maybe we can talk offline a bit and I'll do what I can to help you out on that one.

Good luck!
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Last edited by Delphinus; 04-08-2010 at 05:58 PM.
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  #379  
Old 04-08-2010, 05:57 PM
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carmen your tank looks awesome, i would sure love a moment to sit and watch your tank sometime!
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  #380  
Old 04-08-2010, 06:38 PM
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Quote:
Originally Posted by Carmen View Post
So I have tried to accept the microbubble issue with the tank but it's driving me crazy!! I am seriously thinking about buying a new return pump and changing the plumbing somehow to try to deal with the problem. I think the PS4 is my problem??? So what should I replace it with if I do go ahead??? (I don't have $1000 to spend!! I need something cost effective and quiet, external...hmmm) Also I have minimal room from the bulkhead to the pump in the curved stand so I have a 90 degree off the sump(not ideal, I know)but not sure there is anything I can do about it...Is it worth replacing the PS4 if I can't eliminate the 90? Pic shows the 90 off the sump. Pump is just right off that 90 and then the return comes straight up from the pump. My returns have those 90 bends too because we tried to work with the plumbing that came with the tank.
Check this for me Carmen;
Using a flash light look in the water for bubbles after your last baffle and before your pump. check to see if you are getting any bubbles cascading from your last baffle. Another thing is fill up your return area in your sump level with the last baffle turn off your pump for a few a seconds and plug it back in( try to get rid of any bubbles in your lines) and check your tank after a few hours.
Kevin
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