Colour cast in ACR from Canon G11

Hi all,
I recently posted this question on the Lightroom Forum where I did recieved some useful answers, but unfortunaly the solution is not really workable in the long term. As the issue I am having is almost certainly related to ACR, I thought I'd post the question here too.
I bought Lightroom 3 a month or so ago, mainly to work with the RAW output from my Canon G11. The majority of the shots want to process are taken underwater around the UK coast. When imported into LR3 the shots take on a very strong green colour cast, even though I set the manual white balance at regular intervals. By comparison, Canon DPP imports the RAW files correctly (what I consider correct), and I get the same correct results with Raw Therapee, GIMP and Capture 1. I do, however, get the same colour cast problem importing in to Photoshop Elements 8, which convinces me ACR is at the root of the problem. I am using ACR 6.1 for both LR and PSE8. I would expect Canon DPP to be correct as it is processing it's own RAW files, but as the other RAW converters match the Canon output, this too points at an issue in ACR.
I've scanned both the Adobe LR and ACR forums, but can not see any posts where people are having similar issues to me. I did find several post's saying that ACR's support of the Canon G11 was now finished, maybe it has just been tuned for land based shots, not underwater. I tried to install the Release Candidate of ACR 6.2 at the weekend, but got a message on the lines of 'Not for this product' (I forget the exact words), so gave up on that.
A short while ago I did a test import with a RAW file taken in similar conditions to my shots, but using a Canon 5D MkII. This imported correctly, which implies the issue is related to the G11. I was not able to do a test import my shots as the person helping has an older version of ACR which does not include the G11 support.
I have tried using Adobe DNG Converter, to no avail, and I have also tried all the white balance pre-sets within LR3. The custom white balance picker does not give sensible results, it just changes the shots to a slightly different shade of green. Being aggressive with LR3 setting can make improvements (Camera Calibration RGB hue's plus the tint and temperature for the white balance for example), but it's a slow, shot by shot process, and still does not produce a usable finished product, or even a reasonable starting point for fine tuning.
As a work around I can open the RAW files in Canon DPP and output to TIF, which LR3 then opens correctly. I believe, however, that as I'm not working directly with the RAW file, I'm not going to get the best out of LR3's features.
I have tried raising a call directly with Adobe to ask about this issue. Unfortunatly is not practical as they need direct access to the PC running LR3, which is my home desktop, and I am at work when their call lines are open.
I've attached example output from LR3 and DPP. Both use white balance of 'As Shot', and neither have had any processing done on them. The LR3 shot looks less green that it does at home, I assume thats because I've saved it as a low res JPG.
Thanks for any advise people can give.
ACR/LR3 output
Canon DPP output (Same result for Raw Therapee, GIMP and Capture 1)

Can you please provide the raw file corresponding to the image shown in the original post? You can use YouSendIt.com with a target email address of [email protected] Thanks.

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Strange colour cast in LR3 with Canon G11 RAW

Hi all,
I recently bought Lightroom 3 to work with the RAW output from my Canon G11. The majority of the shots want to process are taken underwater around the UK coast. I'm having an issue with colour casts which I hope someone may be able to shed some light on.
With these underwater shots LR3 seems to import them with a very strong green colour cast, even though, when diving, I set the manual white balance at regular intervals. By comparison, Canon DPP imports the RAW files correctly (what I consider correct), and I get the same correct results with Raw Therapee, GIMP and Capture 1. PhotoShop Elements gives the same results as LR3, but I assume they both use ACR 6.1.
I would expect Canon DPP to be correct as it is processing it's own RAW files, but as the other RAW converters match the Canon output, I get the feeling that my problem is with LR3, or possibly ACR. I've scanned both the Adobe LR forum and ACR forum, but can not see any posts where people are having similar issues to me. I did find several post's saying that LR3's support of the Canon G11 was now finished, maybe it has just been tuned for land based shots, not underwater.
I have tried using Adobe DNG Converter, to no avail, and I have also tried all the white balance pre-sets within LR3. Even the custom white balance picker does not give sensible results, it just changes the shots to a slightly different shade of green.
Playing around with other setting in LR3 can make slight improvements, but it's a slow, shot by shot process, and still does not produce a usable finished product, or even a reasonable starting point for fine tuning.
I have found that I can use Canon DPP to output to TIF, which LR3 then opens correctly, but I feel that as I'm not then working with the RAW file, I'm not going to get the best out of LR3's features.
Is there some particular setting within LR3 or ACR that I have missed ? If not, am I actually loosing detail by converting to TIF before opening LR3 ?
I've attached example output from LR3 and DPP. Both use white balance of 'As Shot', and neither have had any processing done on them. The LR3 shot looks lees green that it does in LR3, I assume thats because I've saved it as a low res JPG.
Thanks for any advise people can give.
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DPP output

Thanks for that answer, it shows that I may have some settings which need tweaking.
All the LR3 settings are as standard when first loaded, playing with this bunch of shots (about 20 in all) was the first thing I ever tried in it. I wouldn't even know how to apply split toning even if I wanted to (you probably guessed by now that I'm a new user to this software). All the on land shots I've messed around with import correctly, so it's definitly only the underwater ones.
One thing that I've just remembered, may be important, when I select shots to import in to LR3, the thumbnails look fine. It's only when the import process has finished the green colour cast appears. It's almost as if something is being applied right at the last minute.
I haven't tried to white balance the JPEG. I assumed it wouldn't work with the RAW, it would be the same with the JPEG.
I did process some shots using PS Elements a while ago, and don't remember any stong colour casts in that. They were from shallow fresh water rather than deeper salt water, may make a differeence. I believe the ACR plug in with PSE 8 at the time was in the 5.x range. I did manually upgrade the ACR plug in for PSE 8 to 6.1 after loading LR3. I can try backing that out and seeing if I still get the colour cast.
Hmmm, it's looking more and more like a problem with ACR 6.1. At a guess I'd say it's not interpreting the 'as shot' information correctly, or completly ignoring it.
I'll have a go with white balancing the JPEG when I get home. If you can do it, but I can't, it points directly with a setting on my system. I'll also have a look at uploading the RAW file somewhere.
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Message was edited by: Christoff

Christoff:
The photo on the left is the correct color rendition, i.e. the bluish version, right? Do other applications, i.e. Preview, Safari display the photos correctly on your computer?
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Wes Duenkel wrote:
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