not sure if i spelled that right. anyway, i'm startin my first season of tournaments and my boat has a livewell with no airater. any suggestions for adding one? would a minnow bucket one work and filtering water every so often?

How big is your livewell?

It all depends on the size of your livewell. Until I got my new boat I used a cooler and two battery powered aerators as my livewell. I was able to keep a limit of fish alive and healthy for a full day.

In addition to a live well aerator what I do on hot days or anytime for that matter, freeze 8 to 12 bottles of water ( standard size) use them to keep the water in the live well cold. The fish like that!!

Usually the portable battery powered aerators will say how many gallons they sufficiently aerate.  Make sure you have the capability for your volume of water and bring extra batteries.  The frozen bottle thing works well for hot water. You will also need to bring a bucket or pitcher to replentish the water once in awhile.  Things like ammonia and other wastes build up in the water and need to be taken out, aerating does not sufficiently get rid of those by itself.