Yep, works great, I also use 35% H202. Don't throw the used etchant out, just add a little H202 every time you etch to regenerate it - I use about 1 cap in 500ml of etchant and that's overdoing it, pour in the cap of H202, stir, add board.
Top it up with a little acid now and then.
Dilute it down until it's just below the fuming point, makes it much more pleasant to work with and doesn't affect the performance.