It seems like all growth stopped and both plant's stems are turning red from the bottom up. It seems like the pH and the nutrients are off, so I am trying my best to fix it.
I have ordered some Monkey Soil - Ecosoil Outdoor and mixed in 10% by weight Monkey Soil - Worms (California red worm humus) and some 2 gallon Smart Pots and tried to remove as much of the original soil (universal/cactus 70/30 mix) without damaging the roots.
I have watered again only when transplanting, with Brita filtered tap water.
When transplanting, I've tried to bury the plants a bit deeper, so they are more stable because they got quite a bit stretched thanks to my sub-par lighting solution.