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That raises a very awkward question. Do I remove them from my tank. It is quite a large colony, to large to be honest but sounds like the tank may benefit from their presence. If I remove, will I regret it. A tough one!
What about BTA's? They are fast growers too.
I have a mixed reef and there's over 20 BTA's in the main display and I catch the ocasional wanderer and put it in the refugium.
Can they work as mechanical filtration and remove nutrients if I get about 30 of them in the refugium? Just today I gave a few to a friend.
Anemones may actually get a lot of nitrogen from particulate foods, and certainly if you feed them chunks of stuff. They may, in that scenario, be a source (like a fish) rather than a sink for soluble nitrogen like nitrate.
No fuge or sump, but I do have an ever growing Xenia colony in my 90g main display. Let me tell you it eats nitrates like a boss. I have started to frag it off now, trying to keep it in check. Being I have no mech filtration / skimmer and my Nitrates are steady around 10 , the Xenia is acting as an export scrubber quite nicely! I am also considering a small fuge for the stuff so I can pull 1/2 of it from my display, and keep it to a more reasonable size.kinda would like to bring this thread back up and see what people think. I currently have a refugium with Ulva and I certainly am considering another avenue for nutrient export and I like this idea of the xenia or even anomes in the sump
kinda would like to bring this thread back up and see what people think. I currently have a refugium with Ulva and I certainly am considering another avenue for nutrient export and I like this idea of the xenia or even anomes in the sump
Thank you for a responseXenia grew a lot in my tank, then declined. No idea why.
I don't think any anemones grow anywhere near as fast (and hence uptake nutrients more slowly) than many macroalgae.
That said, if you like growing these things and nutrient export is not needing to be optimized, it's a fine plan, IMO.
IME, the most efficient macroalgae is caulerpa racemosa, but you may not want to use that since it can become invasive and hard to remove from the main tank without certain fish.
Chaetomorpha strikes a good balance between fast growth and not an invasion problem.