Valida color change

[calvinci]

hi, since I upgraded my light from 3 x 150w BLV 10K to 2 x 250 BLV 14K. My valida that's 3" directly under the light has got lighter color. I actually light the color before, how do I get back it's darker purple, instead of only light purple at the tip now?

It's not bleached, been 4-5 months after light upgrading, grow very fast.

Before

Now

 

[Mchava]

you will have to lower it. Mine did that same thing and once I lowered the piece to the bottom it is turning all purple again. Give that a try
Mario

 

[reefplayer]

Hi,

There are many factors due to colour change for sps.

I do not know whether these are the reasons that your Valida changes it's colour. It may be.

Most young colony will have brighter colors and as they grow bigger, restriction on light and flow may have affected it to retains its original colors. It will be the same in the wild. Only tips will have colors.

Colony Valida/Nana - Tricolor acropora.

I gave my friend 1 frag and he manage to have purple color from top to bottom as time goes by, i reckon that color can stays.

 

[Don Berry]

I would say go back the BLV 10K. I would guess it has better PAR than the new Ushio 14K. I noticed some of my corals lost color intensity when I went from the AB 10k to the Phoenix 14K.

 

[Ewan]

What's your current photoperiod?

Lot's have folks have dropped an hour or two off of their halide photoperiod with interesting results.

However, I can certainly sympathize. I've got a Valida that didn't enjoy the upgrade to 250w from 150w. It's a nice pale tan now. Very slight purple tips.

-E

 

[jmcmahon66]

Interesting thread as I too have a Vailda that was totally purple prior to a lighting upgrade from 14K 150 to 14K 250. I attributed the browning to higher nutrients, but will try lowering the colony to see if I can get better color.

 

[mortenN]

IMO, A. valida don't need much light to color up. Put it down in your tank and he will color up in dark purple again. I have mine at 29" with 250w 14.5K Giesemann.


Front side

Left side

 

[calvinci]

Wow, nice color. Is this one valida also? It's been place under same lighting condition but has got more intense purple then the other one, not sure why?

 

[PITSTOP]

Here's my valida....I'm thinking about moving it down lower tomorrow - right now it is directly under my 250 DE 10K AB...looks good, but would love more purples....what do you think? Leave it alone or move it lower???