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03/29/2017, 02:05 PM | #1 |
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can nopox cause algae?
I am a little confused on this issue and I have been trying to bone up on it. I wont get into my results, but just curious - if all else is constant, can the introduction and continued use (prescribed, above, or below levels) of red sea nopox cause an increase/breakout of algae?
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90g mixed reef | 30g sump | 2x250 phoenix HQI; 4x54 (ati blue plus, ati aquablue special, geissman tru actinic, geissmann purple)| NAC 6 Skimmer | 2x MP40wes | eheim 1262 return| AWI typhoon 5 rodi | |
03/29/2017, 02:42 PM | #2 |
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Algae, not really. Cyano, yes. Start at a low dose and work your way up very slowly. Nopox is a great product but Red Sea's instructions are very aggressive IME. I start around 1/4 dose and raise up a bit a week until nitrate lowers to where I want, then cut it in half or even less to maintain that level.
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03/29/2017, 05:56 PM | #3 |
RC Mod
Join Date: Mar 2002
Location: Mountain View, CA, USA
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I agree that NOPOx can fuel cyanobacteria blooms. It also can fuel dinoflagellates. If the tank starts showing signs of trouble, I'd recommend stopping the treatment or backing off on it.
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Jonathan Bertoni |
03/30/2017, 02:54 AM | #4 |
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Used this product once. Turned my tank PINK. No, not cyno, I'm talking pink cloudy water. Like pepto pink. All water tests came out normal but took over a week to clear.
Never did figure out why. Even the people at the company were stumped.
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"The good thing about science is that it's true whether you believe it or not." Neil deGrasse Tyson Current Tank Info: 90 gallon reef tank |
03/30/2017, 05:33 PM | #5 |
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Nopox = nutrient export. Once no3 below certain range (low) and if you have excess po4 in rocks and start leaching, bammmm. Algae!. Been there myself. Reduce your lighting period, bring down red/green/white spectrum if using LED, skim wetter and use GFO.
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75 gallon DT, 5 gallon sump, DIY LED bar with moonlight, DIY Arduino controller Current Tank Info: 75 gallon/Arduino Controller |
03/30/2017, 05:33 PM | #6 |
RC Mod
Join Date: Mar 2002
Location: Mountain View, CA, USA
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I'd guess you were seeing a phytoplankton or bacterial bloom. That is strange, though.
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Jonathan Bertoni |
03/30/2017, 08:39 PM | #7 |
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If I overstep the dosing of NOPOX at all even by failing to reduce it when just a maintenance need...I get bacterial slime and Cyano problem. Always. But it is still the method of choice to control Nitrates IMHO
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03/31/2017, 07:12 AM | #8 |
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I've been dosing carbon for years now and have had cyano and dinos while carbon dosing. I have some GHA but nothing too bad. If your seeing algea, like others, I'd sugest reducing your dose and see if it gets better. Keep an eye on nitrates to see if your reduced dosing is causing them to rise. If you can't find a good level of dosing that keeps nitrates and phosphates where you want them while not causing bacterial blooms, you can consider reducing feeding some, or increasing nutrient export another way.
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