Backyard Beekeeping Questions and Answers Episode 219, removing mold from bottom trays and more...

This is the audio track from today's YouTube video: https://youtu.be/VPk3fc5-Jls

The following list of topics and associated video time-stamps are generously provided by Adam Holmes

1) How Quickly does the Blythewood Pollen Trap Fill Up? Do you think the bees realize that the pollen is being removed? 3:49

2) As I get older, I plan to build a horizontal hive, is there a reason I couldn't design the main hive box to accommodate some flow frames? 11:23

3) Do you put robbing screens on your hives to prevent robbing this time of year as a practice? 13:41

4) We have started our summer dearth, and I have begun feeding. If someone is open feeding in the vicinity do you think it would help suppress robbing? Or do you think it would stimulate robbing? 20:56

5) We have very few nectar sources here in SW Oregon. I planted golden rod but the bees have ignored it. Any ideas why my bees are ignoring the Golden Rod? Any other plants you suggest? 27:44

6) After I've treated with Oxalic Acid vaporization, I still have half a bag left. Is there a "best if used by" or expiration date for the oxalic acid? 39:27

7) I grafted my own queens and now I have 6 nucs that I want to try to overwinter. I'm not sure exactly how I want to do it? 43:21

8) I am seeing spots of mold on the inspection tray. Is there anything else I can do? 52:00

9) How do you wash your extractor and uncapping equipment. I try to feed it back to the bees but many die. I don't want to waste the honey. 58:08

10) What cameras to you use for the surveillance of your hives? Are there any tips you can offer? 1:03:54

11) I have all medium frames, I would love to build a horizontal hive to save my back. What's the science behind the deep frames? 1:10:54