Do not use the water tanks. Find a little cup or something that gets the humidity to where you want it to be. I keep mine at 40%. With the correct container, you will get 2 or 3 days before you need to refill it. Wait until the humidity drops below 20%.
Lockdown is another story....
I have humidity problems too, and so DH made metal screens to fit in tupperware containers (I was afraid someone would hatch and drown during lockdown). I only have to fill maybe every 5 days.