Row Conditioning 
30:00 row 
First 29 mins @ 19 s/m
Last 1 min @ open rate

Was very hot in the garage and I wanted to do something low and slow. Turned the drag down to 85 and kept the effort level at a 4 out of 10 -- find a pace that would allow you to hold a conversation.  Use good technique and don't be sloppy during the last minute.