Thank you for your post,
@Shade, I think you hit the nail on the head. Back several months ago, in the winter, I got bored and decided to fertilize all the houseplants and the spiders were in the house at that time. I thought since I use the same fertilizer in the house as I do in the greenhouse, there would be no problem. Not long after I did that is when this all began to happen. I am not sure what I did differently other than the mixture may have been different since the GH fertilizer is liquid and comes already mixed and the house I mixed...may have made it too strong for the spiders. I learned one thing. Don't do that again.
I would love to hear about your spiders....what kind do you have? I am trying to get some different ones and those are the ones that need more sun, more humidity and more attention than the others. The old standbys, vitattum, variegated, Bonnie, Hawaiian and Shamrock and plain green are so easy to grow, but my new ones are giving me some additional grey hairs.
I have not used Epsom salts on them but that is a great idea. I used to use that on some of my other Houseplants years ago, but got lazy and no longer do it. I may just try it again if the severe browning does not go away. I do think they are improving becasue it was unusual, not the normal tip browning, it was browing from the stalk out and the stems were not opening, just partially and turning brown.
Thanks again for your comments. I will cetainly keep an eye on them now.