Is this Box blight?

Sorry about potentially sideways pictures!
I have 2 box balls either side of my front door, both grown from cuttings for the same parent, maybe 5/6 years ago.
The first image, the ailing one, has appeared 'different' for about a year after 5-6 years growing identically. I swap their positions every 2nd year or so. The leaves are deeper green, shiny, more, maybe 'brittle-edged'- not perhaps 100% 'healthy' when compared to the healthier one, which is blooming (as it were). New growth is consistent vibrant dark lime-green.
This issue has appeared in the last 2 weeks.
Do I have box blight?
And yes, I know what to do with the plant and soil, but what shall I sluice the container with to free it of that fungi/virus so I can start again?
Am sad as I grew both from cuttings 12 years ago!
+-------------------------------------------------------------------+ |Filename: Box 1.JPG | |Download: http://www.gardenbanter.co.uk/attachment.php?attachmentid 516| |Filename: Box 2.JPG | |Download: http://www.gardenbanter.co.uk/attachment.php?attachmentid 517| +-------------------------------------------------------------------+
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miljee


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On 27 Apr 2017 20:32, miljee wrote:

Yes it certainly looks LME it. Better to ask the question on uk.rec.gardening as this is mainly a US Ng.
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Regards
Bob Hobden
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