I have two mini Dtps plants that both have just two leaves and are on the wimpy side. I sacrificed the spike to the sunkist a while back when I noticed the leaves struggling. They are still not doing great and no signs of new growth. Wondering if I should repot into a finer mix or maybe sphagnum. The Sogo berry leaves are firm and seemed to be doing fine but I noticed this under one leaf today when I was checking the plants over. Have not noticed it before today. It only has two leaves so I'm a bit worried about removing one! No signs of new growth here either. Will do some research on my own as well but any advice welcomed. First pic is Sogo berry and second is both plants, sunkist on bottom.

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