Ak 47 going yellow?

[Stunted]

Not all seed raising mixes you can buy are good, some are evil.
See: http://www.autoflower.org/f26/amgrow-black-label-seed-raising-mix-15ltr-bag-3099.html

 

[desertnance]

Seedling mix has a low of peat ground up in it....maybe mix in a bit of neutral stuff....perlite, vermiculite (makes soil more "airy") and play sand.....Jiffy pots are a bit too acidic for such a tenderling as a newly sprout cann cann.