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#1
08/17/2007, 06:51 PM
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My sand looks like krapp!!
no matter what I do to the sand this stuff comes back in a few hours. I've tried water changes to no avail, if I change the water in the morning, the stuff is back in 5 hours. I use RO-DI water and recently changed all the filters just in case but nothing happened, I shorten the light cycle 6 hrs for atinics and 5 for the halides and nothing. I feed an unfrosted cube of mysys a day plus seaweed for the tangs. I check all my water param. every 3 days from Mag to Iodine and everything is perfect. I change filters every 2 days and my skimmer is working beautifully. But this thing just keeps coming back....
 here are some pics, please help. I've replaced all my carbon just in case and nothing. I have a lot of flow at the bottom but this stuff is thick...please help...[IMG]  [/IMG][IMG]  [/IMG]
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#2
08/17/2007, 06:57 PM
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How old is the tank?
Did you check your phosphate levels? Try sucking the stuff up when you do your water changes.
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#3
08/17/2007, 06:58 PM
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How long has the tank been set up?
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Current Livestock: mated pair False Percs mated pair Banggai Cardinals Longnose Hawkfish Magnificent Rabbitfish Diamond Goby Blond Naso Tang Bluechin Trigger I got the poo on me. |
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#4
08/17/2007, 07:04 PM
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That's a microbial bloom, and it's being fed most likely by food added to the tank, if the tank has been up a while. The cube of mysid might be too much for the tank. I'd cut that in half, most likely, and work from there. What animals are in the tank?
If the tank is new, such blooms can be expected, and they tend to go away on their own.
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Jonathan Bertoni |
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#5
08/17/2007, 07:05 PM
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is 9 months old, and I vacuum when I do water changes but it just comes back in a few hours. My phosphate levels are 0.2 barely visible on the tester's scale....
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#6
08/17/2007, 07:10 PM
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Quote:
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#8
08/17/2007, 07:19 PM
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That's a lot of fish for that size tank. I think that's too much food, at least for the moment. Even if it gets eaten, most of it comes back out.
 Digestion isn't very efficient. If the tank is new, the processing efficiency might improve with some time.Alternatively, growing and harvesting a macroalga can help a lot with nutrient reduction.
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Jonathan Bertoni |
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#9
08/17/2007, 07:23 PM
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Quote:
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#10
08/17/2007, 07:28 PM
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looks like diatom
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#11
08/17/2007, 07:29 PM
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Quote:
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#12
08/17/2007, 07:32 PM
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I have the exact same thing in just one spot in my 90G. It has been suggested to me that it may be an area with minimal flow. I have redirected a return in the general direction and am adding a powerhead tomorrow. I have good water params and don't appear to be over-feeding. I justed added a diamond goby, who doesn't appear to want deal with this portion of the sand bed either. lol. I'll subscribe in case someone has a better solution.
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#13
08/17/2007, 07:35 PM
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i have a lot of flow at the bottom i even see baby tornadoes of fine sand every now and then
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#14
08/17/2007, 07:57 PM
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someone out there must have the solution to this problem....
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#15
08/17/2007, 08:34 PM
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this guy did the job fro me in under a week and my sand was way worse
http://liveaquaria.com/product/prod_...cfm?pCatId=220 |
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#16
08/17/2007, 08:44 PM
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Quote:
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#17
08/17/2007, 08:56 PM
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one other thing that hepled me was i added more water flow to my sand that hepled me out also
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#18
08/17/2007, 09:00 PM
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I have that same problem with my 110 gal tank except it's mixed with green slime as well. my tank is 8 months old. I always thought that it is cyanobacteria and this is part of the tank cycle It's supposed to go away on it's own. I have a ball of chaetomorpha in the refugium about the size of a basketball and the red slime covers the macroalgae also!
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"All that I know is that I know nothing"... Socrates parameters: 78-79F alk 7dKH sg 1.026 pH 8.2 phosphate 0 ammonia 0 nitrate 0 calcium 400 |
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#19
08/17/2007, 09:09 PM
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Diamond watchman goby would be a great start as would some snails and a couple of small cleaner shrimp. I used to get the red variety really bad but since the addition of a sand sifting goby it's been great. also a couple of large nasurus (spelling?) snails would help as well. there are chemicals which will help though i preffer to stay away from chemicals as much as possible.
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