Blue Magoo oversensitive to ferts?

My first Blue Magoo grow here and I was wondering if anyone else had some experience with this strain. I just transplanted them at 8 inches tall to hydroton. Using lucas formula at 350PPM and it is showing signs of nute burn on lower leaves. I am going to back off to 200PPM for a bit. Just wondering who else has grown this strain and trying to get a good baseline for just how much they can take at full veg and flowering. I have 4 other strains growing off the same res and none of them are showing any signs of burn so I figure it is just this particular strain I have no experience with.

Oh yeah, n00b to the board here. Lighting up the cyber phattie and passing it around!
 
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