Help, can anyone diagnose whats up with these leaves?

Hi, My plants looking healthy in general but I've had these strange brown patches appear originally on fan leaves (pic1), and now seem to be raising up the plant to newer growth (pic2). She's 4 weeks into veg, grown in westlands MP with added john innes, and had around 5 seperate feeds of bio-grow (2/3ml per L). Anyone recognise the symptoms? Thanks shady

If there are no bugs present it is a calcuim/magnesium def.

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-Quoted my last post.-

Thanks man, was thinking it was Cal-mag but is my 1st grow and wanted 2nd opinion, appreciate it