Backyard Beekeeping Questions And Answers Episode 236, does Oxalic Acid Really Work?

This is the audio track from today's YouTube video:  https://youtu.be/Ave6tG62opQ

Topics and time-stamps are generously provided by Adam Holmes

1) What do you think of a recent video doubting the effectiveness of Oxalic Acid control of varroa mites? Does OA only slow varroa production? 4:25

2) Do you insulate your Flow-Hives with Double Bubble, or do you recommend the BeeSmart Insulated Inner Cover? 27:43

3) If you don't want more hives, and your colonies are building a population, and you're passed the swarm impulse, what can you do next? 42:54

4) I have well insulated hives, how do I know if my bees are getting enough water in winter? 49:09

5) I'm having a well drilled within 75 feet of my hives. Should I close up the hives? I would hate for the crew to get swarmed by angry bees! 56:28