Correct, heat is heat, but like I said, for me, (heat sensitivity on my hand is poor), I am a chef and have high heat tolerance so cannot judge this way.
As for 95% of growers using Chinese, well yes a large propotion are manufactured over there, including some very powerfull and well known brands which in my experiance will do some pretty nasty damage to your young ladies if they are too close.
Obviously nutrient/ environment is a critical part of any grow.
