i think you can if it is dirty just wash it out
Yes.... no problem
Yes it will clean the tray and line.
If using on a coil yes
Yes, use it on the evaporator, the inside coil behind the filter. Lemony smell.
Yes. I bought it last week. The AC was struggling and not cooling. Once it was cleaning and refrigerant added, its working great. I will buy this product again. What a money saver.
Yes you can, but not sure how well it will do on bug removal.
Yes, no residue or bad smell. If spraying water make sure it drains properly. I clean my every 3-4 months because it runs a lot here in Florida.
don't understand your question, what is it your asking for. Your looking for free ????