Canreef Aquatics Bulletin Board
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Canreef Aquatics Bulletin Board (http://www.canreef.com/vbulletin/index.php)
-   Lighting Specific (http://www.canreef.com/vbulletin/forumdisplay.php?f=173)
-   -   GHL Mitra Owners club (http://www.canreef.com/vbulletin/showthread.php?t=92688)

Rice Reef 03-11-2014 05:39 AM
Try min the tooty fruity colours to 10% or less and run more cool white. This should help. I am running the 6100 and I have both blues, uv and cool white at 100% while others at 10% or less. I was running all the colours at 100% and all that got me was nuisance algae. I had reconfigured my lights in jan and saw nothing but improvements in coral colours. Since Jan I have also dropped the mitras down to 4 in above surface of the water.

reeferfulton 03-11-2014 05:50 AM
Quote:
Originally Posted by Rice Reef (Post 885466)
Try min the tooty fruity colours to 10% or less and run more cool white. This should help. I am running the 6100 and I have both blues, uv and cool white at 100% while others at 10% or less. I was running all the colours at 100% and all that got me was nuisance algae. I had reconfigured my lights in jan and saw nothing but improvements in coral colours. Since Jan I have also dropped the mitras down to 4 in above surface of the water.
he does have great color for sure .. I now run my lights under the water line .. -1 inch lol just kidding .. Are you really down to 4" lol wow .

Rice Reef 03-11-2014 06:16 AM
Quote:
Originally Posted by reeferfulton (Post 885468)
he does have great color for sure .. I now run my lights under the water line .. -1 inch lol just kidding .. Are you really down to 4" lol wow .
Well, u measured it for me! :twised:

lastlight 03-11-2014 06:35 AM
Everything in my tank other than the sps loves the mitras. I might be slowly colouring a few sps up but it has been extremely frustrating.

Blue, Royal Blue, HV - 100%
Cool White, Green - 35%
Red, Hyper Red - 5%
Neutral White, Yellow - 10%

Light is about 7" off the surface at 70% intensity. I had to turn it down a while ago after the tank reacted badly to more light.

Scythanith 03-11-2014 04:33 PM
That's an extremely poor showing for the lights… ouch! With the amount you'd invested in them I feel for you!

Quote:
Originally Posted by xenon (Post 885399)
Does anyone have success keeping SPS well coloured under their GHL 6200 Mitras?

I have been struggling with coloration ever since I set them up 5 months ago.

I finally got my hands on a PAR meter today and I think I found my issue. I am getting just under 200 PAR at 8" bellow the surface. We all know that is not enough intensity for SPS.

I am currently using the following settings:

100% High Output mode.

60% Blue
100% Royal Blue
100% Blue white
0% Cool White
30% Natural White
30% Sky White
50% Red
0% Green
100% UV

I can achieve more PAR from these lights but then the color temp looks too yellow. We decided to take them down. We will be experimenting with different types of metal halide fixtures for our SPS system.

lastlight 03-11-2014 05:00 PM
Quote:
Originally Posted by xenon (Post 885399)
Does anyone have success keeping SPS well coloured under their GHL 6200 Mitras?

I have been struggling with coloration ever since I set them up 5 months ago.

I finally got my hands on a PAR meter today and I think I found my issue. I am getting just under 200 PAR at 8" bellow the surface. We all know that is not enough intensity for SPS.

I am currently using the following settings:

100% High Output mode.

60% Blue
100% Royal Blue
100% Blue white
0% Cool White
30% Natural White
30% Sky White
50% Red
0% Green
100% UV

I can achieve more PAR from these lights but then the color temp looks too yellow. We decided to take them down. We will be experimenting with different types of metal halide fixtures for our SPS system.
I was wondering why you don't use the cool white's and kill the natural whites if you want more par and less yellow?

kien 03-11-2014 07:12 PM
Quote:
Originally Posted by lastlight (Post 885527)
I was wondering why you don't use the cool white's and kill the natural whites if you want more par and less yellow?
I was curious about the same thing.

Looks like the Mitras are back in the spotlight! Get it? spotlight ? Thank you, thank you, I'm here all week. Tip your waitress on the way out..

monza 10-15-2014 02:12 AM
The splash guard/ shield or what ever you like to call it on my Mitras seems a bit 'fogged' right below the LED clusters, its not that bad but any suggestions how to clean it? I haven't tried anything yet and thought I'd ask first?

Aqua-Digital 10-15-2014 02:18 AM
Like all things they need a bit of a service from time to time, here is the maintenance guide

http://forum.aquariumcomputer.com/do...?do=file&id=78

You just need to clean the screen. two screws and out it comes ;) that easy.

Scythanith 10-15-2014 03:26 AM
Now that I have a PAR meter I feel it's your lighting program that's hindering your PAR numbers, not the lights themselves. The lights are more than capable to produce 350+ PAR at that depth, but the white channels are required :)


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