Do I need water pump for 5 gal bucket?

It's a 5 gallon bucket with an air pump,air stone,net pot in the lid. I put it in a grow tent with an led light. This is my first grow. Any help is much appreciated
 
The air pump should be all you need for DWC, a pump would be used for circulating nutrients between buckets. RDWC
Don't over heat your nutrients 60-70* root rot will ruin your day.
 
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