I have it in baccto potting soil, this is my second grow and the first time I've used this soil, and I don't know know the purity or ph of the water i haven't gotten another test pen since the first one i got was defective but always used my tap water on my other plant and I haven't had any problems with the water, I have though earlier today transplanted it into a bigger pot, same mediumIt basically needs transplant into decent medium. A slightly larger container. Not the final one yet.
Likely the pH is really low by looking at the plant.I have it in baccto potting soil, this is my second grow and the first time I've used this soil, and I don't know know the purity or ph of the water i haven't gotten another test pen since the first one i got was defective but always used my tap water on my other plant and I haven't had any problems with the water, I have though earlier today transplanted it into a bigger pot, same medium