Tub holes?

Hello everyone!

I'm going to set my blood up in a new tub this weekend that is 35x16x12. The heat source is a radiant heat panel.

How many holes do you think I should start with? Humidity is pretty much zero in the house.

Thanks for any and all advice!

I would say 4-5 evenly spaced holes on the front and back would be a good place to start. If the humidity is too high, then add 2-3 holes per side until it stabilizes where you need it.