I've heard the GSC yields horribly. Good to hear your plants are bad in shape! If you smell the chem one it should give a lemon/pine sol/gas smell. If it doesnt, its probably not Chem. You cant miss it. The chem sinks BAD. Either way, OG or chem, good smoke is good smokeThey seem fine no more rust spots. No new yellowing either. Think today is day 20 or 21 of flower. Planned on hitting them with some Clearex either tonight or tomorrow. I'm Loving the way that Hawaiian Og is going. Looks like its going to be my biggest yielder. 2 of the GSC phenos look pretty skimpy. My #3 pheno has a purple look to the leaves. The Kryponites I already know will be fire they always are. And that one I thought was Chem still not sure but its probably OG looking good as well.