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Old 05-28-2007, 09:50 AM   #11
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Well after looking at pics on the net I'm not 100% sure its mexicana caulerpa now???
It was given to me as Mexicana but there is another species that looks more like it.

http://www.wetwebmedia.com/caulerpaalg.htm

It looks kind of like both in these pics but on othere sites my leaves are much smaller then on the mexicana. On this site it looks like caulerpa sertularoides.

What ever it is it grows fas and keeps NO3 at 0 for years. Just yanked a soft ball size piece out last night and put it in my fuge on the 55.

MT my caulerpa grows under a 20 watt NO fish tank light, thats it. Even my small clumb of cheto is growing some. Its been my experience that macro does not need much light to do well. NO3 reduction is great but PO4 not sure if it reduces that much. If I had to guess I would say there is not much PO4 removal with macro. I have a PB reactor for that.
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Old 05-28-2007, 03:24 PM   #12
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Almost looks like feather calerpa. I have several strands in my refuge. Looks like it anyway.
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Old 05-28-2007, 08:05 PM   #13
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Quote:
Originally Posted by Seaham
Its been my experience that macro does not need much light to do well. NO3 reduction is great but PO4 not sure if it reduces that much. If I had to guess I would say there is not much PO4 removal with macro. I have a PB reactor for that.
I was actually referring to the macro in the link provided by Squado called "fire engine red" macro. The link says it needs high light, and is currently housed under 400 w MH by the seller. I've never saw it before, and was just curious if it grew fast/aggressively enough to work at nutrient reduction and if it really needed that much light.?
It says Cheato needs high light on many sites. It grows for me under a 19 watt fluorescent flood lamp (equivalent to 85w incandescent bulb).
FWIW macro's will reduce PO4 some, but like you I use a PO4 reducing media in addition to growing cheato.
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Old 05-28-2007, 08:15 PM   #14
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Well I'll Let u know how long the red stuff lasts in my fuge under 20 watt NO lighting. Its been a little over a month or so now and its still alive. I'll see what the guy I got it from has for light.
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Old 05-28-2007, 10:42 PM   #15
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Is it true that macros do better under lower wattage lighting? The reason why I asked is because I had chaeto and feather in my previous sump under NO lighting and it grew great. I switched the lighting to T5 (more watts/gallon too) and it slowly detiorated and wound up for the most part dying. I think in the new sump im gonna switch back to NO lighting and see if thats works better. Also, while im posting, do you think it is a good idea to stick to a couple of types of macro or go with some of the packages you find on ebay with like six different types (listed as refuguim started packs)?
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