I just finished up this cycle couple months ago. Im a big test/ deca and finish with winny fan. I was runnin a bit higher than you are but doesnt matter. I would run the deca a bit longer, 10wks kinda cuts it short. But either way, you can run the winny during the test deca if you want. I usually start winny a week before my last deca shot and run it 4 or 6 wks. Deca will help a bit with the joints, but the winny will get rid of the water you hold from the deca pretty quick and show you what you have left after runnin the deca. I think its a great compliment for the 4 wks or so after a deca run