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Old 06/24/2016, 03:45 PM   #1
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Join Date: Oct 2013
Location: Florida
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Macro Algae as ONLY Filtration?

I've been looking more and more into macro algae dominant systems and I'm sold by both the natural, unorganized look they tend to have, but also of course the low maintenance that goes along with a tank that's meant to keep only fish, algae, and soft corals. Right now I'm running a 60g cube that houses a variety of macros (c. prolifera, tufted joint, cheato, ulva, red gracilaria etc.) and I'm loving it so far. This leads me to my next point, which is an idea I had to set up a 6' 125g low tech macro dominant "easy reef", with the only equipment being the LEDs suspended over the tank, a powerhead on each end of the tank, and my Tunze ATO. As far as fish, the largest would be a long nose butterfly (excluding my zebra moray), along with an assortment of other small, mostly tank-bred fish (harem of flame angels, orchid dotty back, kamohara, cardinals, docile damsels etc.). Would simply pruning, doing the occasional water change, and dosing when necessary be sufficient? Thanks guys

60g Macro Algae & Gorgonian Dominated Reef Cube & 20g (Peacock) Mantis Tank

Current Tank Info: 60g Caribbean-esque Reef (2'x2'x2'), 10g Quarantine
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Old 06/26/2016, 07:54 PM   #2
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With a heavy fish load it sounds like a disaster waiting to happen. Once the macro reaches a point when it can't use up all the excess nutrients you are going to get nuisence algae and other bad things.

I am not saying it is impossible but you have no margin of error if things go bad.

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Old 06/26/2016, 09:29 PM   #3
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Take a look at Michael's Caribbean tank. All his filtration is his macro. He doesn't have a very heavy bio load, but it does work. Just be sure to have macros that grow really fast (like caulerpa) because they can uptake nutrients extremely fast

"I glue animals to rocks"

Current Tank Info: 36 gallon reef, 65 gallon Caribbean Biotope macroalgae and seagrass tank
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Old 07/03/2016, 10:26 PM   #4
Michael Hoaster
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Location: Boulder, CO
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Well thanks jraker!

Macros are amazing nutrient absorbers, and grow better with more fish and food. Don't forget the detrivore community, to help process the poo 'n stuff. Pods, worms, snails, in live mud and live sand are your friends. Lower tech and higher nature is a great way to go!

As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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Old 07/03/2016, 11:08 PM   #5
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Join Date: Jun 2012
Location: TN
Posts: 57

I just resurrected a thread from 2006 which I think was important for people to see, here is the link, I think this might help you to better manage your Macro tank, I know it will mine.

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macro algae

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