Looking for help with my fiddle leaf fig. I got it about a month and a half ago and it looked pretty healthy with some new growth coming however had some brown spot on the leaves. I've been watering it once and week and it's near large north facing windows. Since having it, it's dropped about 4 leaves, that looked healthy other than the brown spots. Now I've noticed that all but the top few leaves are starting to curl and there are some brown spots and cracking in the middle of some of the leaves. I've made sure the pot had drainage holes and is sitting in its original plastic pot, inside another pot with some pea gravel for drainage. Any help would be greatly appreciated!!!