Reimer isn't a vendor that we see recommended in the forums. There are ID threads where plants ended up being C.annuum Jamaican Mushroom from a couple other vendors that are more trusted. There is no thread in Vendor Vault documenting the outcome from one of the vendors.
The growth habit of the plant is more straight and upright than the typical C.chinense. The C.chinense plants I've grown tend to have zigzaging in the branches. The leaves on your plant are smooth and more spear shaped and narrow than the typical C.chinense. An interspecies hybrid could produce...
Is the plant in question the one pictured below back in May?
I too ended up with a C.Annuum Jamaican Mushroom from seed that was meant to be Scotch Bonnet a few years ago.
Given the current fertiliser has worked for you why not buy more of it?
Edit: Note that NPK in isolation does not provide enough information about the fertiliser to make a choice.
When deciding on a fertiliser choice you also should factor in the medium the plants are in and the quality of...
Capsicum fruit are berries with an ovule that contains multiple ovaries. It's possible that you will end up with seed from self pollination and seeds from cross pollination in the same berry. This is why you need to emasculate the flower bud before it opens before the anthers have matured and...
The side on view gives more of an impression of the plant being C.chinense than view of the top of the canopy.
Perhaps report back on the flavour after trying some more ripe pods.
Have you ever tasted any well known red C.chinense varieties?
The pods in the photo on the label appear to be C.annuum Jamaican Mushroom Red and Yellow. At least you can say that the species of the bell pepper matches the photo. ;-)
There are many varieties of C.pubescens and some do not have particularly unique names.
When you label the saved seeds try and keep as much context as to the origin of the seeds as possible.
Do you have any photos of the pods?