Depending on how you grated the potato.
First, if you used the big hole greater then all you need is a colander, I'm assuming that is what you are talking about, since you are planning to make hash browns.
If, not then:
Second, if you used the small holes and using it for latkes you do not need to bother with removing the juice. It is a myth that the latkes will taste better, or that it would not work. All you need is an extra spoon of flour and everything will be fine.
You are what you eat.