Sps coloration tends to shift to green. Why?

[whitelightning77]

I've noticed that alot of my sps, over time, shift to a green coloration. Atleast the ones that contain some green pigmentation. For example, my garf bonsai, some frags are purple, yet some shifted to green. Also, a couple millie frags that were punkish green, and yellowish green, are starting to transition to more green. It just seems like if the coral has the ability to be green, or red or purple, etc, it tends to always transition to green.

 

[AdamNC]

In my experience it’s usually when the corals are in lower par lighting.

 

[motortrendz]

Lighting and Could be high iron levels in tour water as well.

 

[whitelightning77]

Running 2 250watt radiums and 3 modules of led (mainly for blue supplementation though) . I've thought about iron, never tested for it though.

Dont get me wrong though, corals that are RED, stay red, like my acans, rock anemones, red montis, chalices, etc. Mainly the sps like my millies (red planet frag), and others that CAN shift usually do.

 

[C. Eymann]

Agree with everything said above, what are you keeping your NO3 and PO4 at?

 

[TheShrimpNibbler]

I’ve heard that low light is responsible for acros turning green.

 

[bar|none]

This is an extremely interesting topic. keep going...

Some of my acros that should be red are green. Surviving, maybe growing but not the colors advertised.

My LPS have no issue displaying red, blue, purple etc...

 

[Perry]

Certain trace elements, which are used in corals skeletal building, if depleted without replinshment, could possibly explain. Do you use any trace program, or routine saltwater changes with a salt thst is fortified with trace?

 

[watchguy123]

Green is way better than brown. I don’t think of green as bad. I view it as a transitional color to something better.

 

[Coronus]

What comes to mind in my systems is low light. Lower light levels will turn some acros green in some places.

 

[whitelightning77]

Agree with everything said above, what are you keeping your NO3 and PO4 at?

No3 is 5, po4 is 0.03

 

[whitelightning77]

I’ve heard that low light is responsible for acros turning green.

Under 2x250 metal halide radiums with an additional 3 led modules at 150 watts each? Last time I did a par test I was running 800 par in some areas.

 

[whitelightning77]

Certain trace elements, which are used in corals skeletal building, if depleted without replinshment, could possibly explain. Do you use any trace program, or routine saltwater changes with a salt thst is fortified with trace?

Haven't done water changes in forever. Was on a hybrid Triton method. Recently started doing water changes again 2 months ago with reef crystals. No trace element supplements at the moment.

 

[whitelightning77]

Couple shots

 

[ycnibrc]

How old is your halide bulb? Par is only measurements of intensity spectrum is more important. If your halide spectrum is not good 600 par doesn't mean anything.

 

[SeaDweller]

Green is usually too low of PAR/light or if in LEDs (not your case) too blue of a spectrum.

 

[motortrendz]

One thing I can tell.you from my personal experience, that my red planet and pc rainbow were both green, bright green at that.. they looked good and are growing.. but over the last few weeks I increased the uv spectrum only on my lights from 65 to 80 and not they have both turned pink(red planet) with a green base and deep red(pc rainbow) with a yellow/green base.

 

[THIEN LE]

I’ve heard that low light is responsible for acros turning green.

Is this the evidence ? Which ever section of this frag in green is the result of shadowed by the coral above it or by itself.

 

[motortrendz]

Is this the evidence ? Which ever section of this frag in green is the result of shadowed by the coral above it or by itself.

Not that's definitly evidence lol.

 

[THIEN LE]

Not that's definitly evidence lol.

You made me lol