Can I use in a 70W starter in a 58W flourescent tube?

Using a 70W starter in a 58W fluorescent tube is not recommended. Starters are designed to match the wattage of the specific fluorescent tube they are used with, and mismatching can lead to inefficient operation, flickering, or even damage to the tube or starter. It's best to use a starter that is specifically rated for a 58W fluorescent tube to ensure optimal performance and safety.