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Old 08-21-2006, 07:33 PM   #11
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Nothing wrong with leaving Nori in there every day as tangs forage all day. I`m talking about flake , brine or anyother fish food. This leaves DOC in your water that causes excess nutrients and eventually algea.
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Old 08-21-2006, 08:00 PM   #12
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Cut back on feedings for sure and work to siphon out as much cyno as you can. I do not often advocate uing chemicals but Chemi-clean worked to rid my tank of cyno a while back. It is imperative, however, that you find and correct the source prior to using this. It will only help remove what is in the tank but do nothing to keep it from coming back. Use it as a last resort. Check out www.thefilterguys.biz for very good reasonable priced RO/DI units.
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Old 08-21-2006, 09:41 PM   #13
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I loosened up a ton of cyano today with a toothbrush and siphoned it out.

I already have a RO/DI unit (with dual DI filters) and a tank on the way - should be here this week.

That's the first step. I'll cut back on feeding for a few weeks to and see how that goes. Process of elimination.

I'm sure the 0.5ppm phosphate in my tapwater isn't helping.
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Old 09-04-2006, 12:06 PM   #14
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Still a problem.

Using RO/DI water now (tested at 0.00 TDS), and have cut back feeding drastically.

I've done several PWC's, 4 now of 25%.

I know only doing 25% at a time is a very slow way to remove anything from the water, each one only cutting whatever the problem is down by 25%. (100ppm of something goes to 75ppm, then 54ppm, then 40ppm, then 30ppm, and so on). Doing more than that is difficult without rearranging rocks and my soft stuff.

I'm thinking about using a chemical treatment, just for now, and then continuing to work on the source.
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180G All-glass with dual megaflows in a custom stand
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250 pounds LR
160 pounds aragonite
Custom acrylic sump from GlassCages.com
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No-name 36W UV
Water General 125GPH RO/DI
Filstar XP3
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Old 09-04-2006, 12:25 PM   #15
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I'm thinking about using a chemical treatment, just for now, and then continuing to work on the source.
You may be at that point. Try some Chemi-clean. Remember to remove all carbon and other chemical filtration from the tank and turn your skimmer off. Dose the tank and wait 48hrs. Do a water change and put in some fresh GAC or Chemi-pure, turn your skimmer back on.
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Old 09-04-2006, 07:38 PM   #16
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A phosban reactor works really well too if you have one. Fill it with Rowaphos to remove the Phosphates in the tank. If not rowaphos in a filter sock works just as good. A phosphate sponge goes a little ways too.
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