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10-27-2007, 04:48 PM
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#1 (permalink)
| | Corkscrew Tentacle Anemone
Join Date: Mar 2006 Location: Denver, Colorado Age: 24
Posts: 728
  |  Lights = algae trouble
OK I'm pretty sure the solution to my problem is to just let it run its course, but I just want a little reassurance. And if not, then advise.
I have a MH fixture with 2 175w bulbs, and by mistake I ordered 1 20,000K bulb and 1 10,000K bulb on ebay. I meant to order 2 20,000K bulbs, but I wasn't paying attention to the 2nd auction.
Anyways you can imagine the tank looked completely lopsided and I realized the mistake immediately. One side was blue, one side was yellow. GROSS!!!! So I put in one of my old bulbs and left the new 20,000K bulb in. Again the difference was very noticeable, as one side looked way WAY brighter than the other side. I didn't like this one bit, either.
I tried that for a week or so and saw the brown algae making it's grand appearance on the side that had the new bulb. I decided that until I get another 20,000K bulb for the other side of the fixture, I'll just put my old PCs back on. All of the bulbs on those (3 96w bulbs) are only about a month old. So still relatively new.
Now, naturally (I think) I have a brown algae bloom. This is just due to the new lights, right? It will go away soon, right? My nitrates test out at 5-10 and my phosphates test out at 0. I just did a 12 gallon water change last week.
What say you? _________ 125 Gal Reef. Born March 2002 FISH: Ocellaris Clown, Yellow Tang, Fairy Wrasse, Sand Star, Fuzzy Dwarf Lion, Mandarin Dragonette, Hippo Tang CORALS: Green Striped/Red/Purple Mushrooms, Green Star Polyps, Yellow Toadstool Leather, Bubble, Frogspawn, 2 Hammers, Yellow Polyps, Open Brain, Ridge Leather, Various Zoas, Button Polyps, Kenya Tree, Colt, Elephant Ear Mushroom, Clove Polyps, Torch, Purple Clam, Rose BTA  | 
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10-27-2007, 04:57 PM
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#2 (permalink)
| | Torch Coral
Join Date: Jul 2006 Location: valencia,pa. Age: 35
Posts: 1,158
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doubt its going to be much of a problem.
_________
55 gallon reef with 4x54 watt t5,29 gallon sump,red monti cap,1blue echinophyllia,trumpet,red lobo,2 toadstools 1purple and 1neon,gsp,xenia and yellow xenia,red ,many mushrooms,2 giant frilly shrooms,cabbage coral,yellow polyps,many zoos,1 orange and one neon green nepthia,duncans,cladiella | |
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10-27-2007, 05:59 PM
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#3 (permalink)
| | Giant Squid
Join Date: Oct 2006 Location: TN Age: 31
Posts: 3,893
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It wont be much of a problem, but algae will not bloom without food. It takes moe then light to feed algae. _________ Got Questions? Need Answers?
"Believe those who are seeking the truth; doubt those who find it." Andre Gide  | |
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10-27-2007, 11:26 PM
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#4 (permalink)
| | Gnarly Old Codfish
Join Date: Sep 2003 Location: Silverdale, Washington Age: 59
Posts: 4,788
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Brown algae does come and go...I just reduce feeding a bit when it shows up. --- always get the brown scummy kind on glass which I have to scrape off.
My hermits are voracious eaters of anything on sand.
Good Luck.! _________ AG "125," AquaC EV 180, 30 gal sump, "SCWD", 80 lbs LR, CoralSeaLife "Moonlite" Hood, PFO 250W HQI Mini-Pendant (SPS HQI 14000k bulb)
12 Gallon NanoCube - 24w stock PC 50/50 light "...nothing good ever happens fast in a reef tank, only bad things happen fast..."
- MIKE PALLETTA - (2008 Reef log) ("OmarD"/"Scott") | |
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10-28-2007, 07:48 AM
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#5 (permalink)
| | Vlamingii Tang
Join Date: Apr 2007 Location: joliet,il Age: 41
Posts: 1,895
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if your system is set up correctly brown algae should never appear. PO4, NO3, SI feed algae. brown or diatom algae also feed off of detritis, produce enough water flow and a balanced cleaner crew will help. high TDS water used will feed algae on water changes or awto. depending on which sea salts used will feed algae. | |
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