Adding lemons to secondary fermenter

[torchidman]

why use lemons?

you never mentioned this; and your audio is pretty rough..

[HardstyleNI]

your exposing your brew to bacterial contamination use campden tablets if you wish makes it unlikely to get contaminated

[Dillonfromforks]

Could I use lemons like that or any fruit in my 5 gallon coopers extract kit?

[freebrewingvideos]

Yep. That's how I used to do it before I went all grain. Just add fruit to the secondary.