there are so many ways to solve this problem but there's one way that's always guaranteed to work.
do this ->
switch to kratky hydroponic setup
1. coco coir as a medium + osmocote fertilizer + amino acid + B-vitamins + seaweed extract + humic acid
2. hydroponic nutrient at the bottom of the container
3. raise humidity
your c. chinense seedling will grow like crazy. be careful, leaves will be huge!
do this ->
switch to kratky hydroponic setup
1. coco coir as a medium + osmocote fertilizer + amino acid + B-vitamins + seaweed extract + humic acid
2. hydroponic nutrient at the bottom of the container
3. raise humidity
your c. chinense seedling will grow like crazy. be careful, leaves will be huge!