What are the clear tube things in my base rock and on my glass???

Answer 1

Is this a saltwater tank?

If the tubes are hard, these might be small tubeworms (harmless, although a nusiance to have to clean off the gladd all the time). This could be a Pectinaria: (see almost at the bottom of the page: http://home2.pacific.net.ph/~sweetyummy42/hitchworms.html ) or young Vermetid: http://www.reefs.org/hhfaq/worms/photoalbum_photo_view?b_start=7

If the tubes are soft and jelly-like, it might be a colonial tunicate: http://www.reefs.org/hhfaq/tunicates/view

If none of these seem to be what you're seeing, try looking throgh the photos in the links below: