Enough Holes?

I have a industrial size detergent bucket that im grwing in, its about 2 ft tall and 1 1/2 feet wide. I put 7 pencil radius size holes in the bottom. is that enough drainage? if not its too late to change it now, it weighs over 50lbs with the soil.

Its not too late just drill them close to the bottom in the sides of the pot. Does water drain from the pot for a long period of time? If so you need more hole or less water. The only time this would really be a big problem is if you want to flush out your plant as long as you use a moiture meter and don't overwater. VV