“Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God” - John 3:5
Baptism is how we come to be “born of water” and it is the burial of the old man.. “buried with him in baptism” (Colossians 2:12)
Jesus also commanded his disciples to:
“Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost”
Jesus Christ didn’t say “Go baptising them repeating Father, Son and Holy Ghost” but rather “baptising them in the name of...”
The name of the Father, Son and Holy Ghost is Jesus Christ and we see that this is the way the apostles baptised people all throughout the book of Acts by calling upon the name of the Lord (Acts 2:38, Acts 8:14-16, Acts 10:48, Acts 19:5, Acts 22:16, Romans 6:3)
Also the word of God says that baptism is for the remission of sins (the bible does not say baptism is a “profession of faith”, “an outward showing of an inside change”, “act of obedience after salvation” as many falsely proclaim)
All you need my friend is enough water to completely submerge your body and a man of God who has obeyed the gospel (baptised in the name of the Lord and received the gift of the Holy Spirit) to baptise you. I have brothers and sisters in Christ who have been baptised in seas, rivers, baths, swimming pools it really doesn’t matter where and there’s no such thing in the scripture as a bath attracting devils.