Good afternoon fellow beer enthusiasts.
I am still quite new to this whole beer producing hobby, and I quite enjoy it. I am at the extract with speciality grain level. All the beer I have made thus far has been on a stove and with an enamel pot. I have decided to start investing in some equipment with the hopes of getting into all grain brewing. I have purchased the Blichmann burner to start with, but now I am concerned with my brew kettle. I am currently making 5 gallon batches, so I was thinking about getting a 10 gallon kettle. But I am concerned that if I get into all grain brewing that the 10 gallons might be a little too small. So should I get a 15 gallon kettle, or should I stick with the 10 gallon? In addition, if I go up to the 15 gallon, would that effect the size wort chiller I need to buy? I currently do not have a wort chiller, but I am planning on buying one the same time I buy the brew kettle. Finally, which is the better way to go, copper or stainless steel immersion chiller?
Thank you all in advanced for your time, I just don't want to be kicking myself in 6 months to a year having to buy bigger equipment because I didn't look ahead.