I know a recipe using Bat Guano!
I read your last posts on your dying plants.
Sometimes people here dont have the answers and make some dangerous stabs at it anyways!
I have just started my 3rd ever indoor grow using coca.
I used to grow outside in the summer but its so unreliable in the UK.
The info i get on here at times is ridiculous.
You might find it better just to spend time trawling through the net and asking questions about plants in general,Orchids,e.t.c.
i know i did.
Are you flowering your girls now?