I recommend to check varroa every month and a half (every 45-50 days). And then do the treatment if needed.

Varroa Mite check

Honey B Healthy

  • Helps Promote Healthy, Vigorous Hives.

  • Add to your feeding mix to help build up packages, nucs, and swarms.

Vented Beekeeping Jacket

 

A good vented jacket is very important especially here in CA. 

I recommend this jacket 

The Backyard Beekeeper

An excellent introduction to small scale Beekeeping.