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Pet Forum / Aquaria / Marine Reef / December 2004brown Algae and lighting
I have been having a brown algae issue for about 4 weeks. I am now on vacation and was here when the lights came on at 10:00am and noticed the algae was completely gone from the rocks and about 70% gone from the sand bed. I come back about 4 hours later and it is as bad as ever. I have a 24" corallife agualight deluxe double 130 watt power compact. It bought it in September. It comes with one 65 watt Actinic and one 65 watt 10,000K bulb. I have a windows next to the tank that I have had blocked off with a rub so no natural light hits the tank. My question is should I replace the bulb even though they rate to last for 12 months? No, this isn't a bulb issue. What are your nitrate and phospahte readings? Does this brown algae act like a layer or film on the sand. Can you scoop it together so it looks wrinkled in a pile? You might be dealing with Cyano bacteria, which does what you've described when the lights are on, but virtually disappears when the lights are out. Marc > I have been having a brown algae issue for about 4 weeks. I am now on > vacation and was here when the lights came on at 10:00am and noticed the [quoted text clipped - 5 lines] > blocked off with a rub so no natural light hits the tank. My question is > should I replace the bulb even though they rate to last for 12 months?  SignaturePersonal Page: http://www.sparklingfloorservice.com/oanda/index.html Business Page: http://www.sparklingfloorservice.com Marine Hobbyist: http://www.melevsreef.com The weird thing is after sun down the tanks starts to look better. > No, this isn't a bulb issue. What are your nitrate and phospahte readings? > [quoted text clipped - 15 lines] >> question is should I replace the bulb even though they rate to last >> for 12 months? | The weird thing is after sun down the tanks starts to look better. I'm going to side with Marc, (always a safe bet <g>) and recommend you do a search for cyanobacterium in marine aquaria, and see if everything fits. billy > | The weird thing is after sun down the tanks starts to look better. > [quoted text clipped - 3 lines] > > billy Billy - Siding with Marc? Humm..... Joe Cool - Cyanobacterium or any algae, the best combat tool is to have good flow of current and good efficient Protein Skimmer that will export any nutrient out of the tank. Good current flow and Protein Skimmer [combo] will take care majority of the algae problem. CapFusion,... Thanks, will add a second power head to the tank. >>| The weird thing is after sun down the tanks starts to look better. >> [quoted text clipped - 14 lines] > > CapFusion,... FYI, at one point I had 4 powerheads in my 29g. I was able to later remove those when I installed a closed loop on my tank. http://www.melevsreef.com/closedloop.html If the cyano doesn't clear up over time - and it may take 3 weeks or longer - a product called Chemi CLEAN will remove it in 24 hours. Most LFS will have it in stock, behind the counter. Marc > Thanks, will add a second power head to the tank. > [quoted text clipped - 16 lines] >> >> CapFusion,... SignaturePersonal Page: http://www.sparklingfloorservice.com/oanda/index.html Business Page: http://www.sparklingfloorservice.com Marine Hobbyist: http://www.melevsreef.com Make sure the current is close to the spot that have the problem. That current will spread it to other area too. But the majority should end up into the skimmer. You may also siphon any bulk area out. Using Chem Clean should be your last option. Try not to use any chemical if can preventing it. CapFusion,... > FYI, at one point I had 4 powerheads in my 29g. I was able to later > remove those when I installed a closed loop on my tank. [quoted text clipped - 26 lines] >>> >>> CapFusion,... |
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