[BDForgan]

ah ha! That must be it. The wire I'm using must must be too thin. All my other parts were a lot smaller than this part I'm having trouble with. The total surface area of the small sucessfully ano'd parts were around 12 to 20 sq. in. The big part is around 35 sq. in. I've tried to ano it twice and both times the wires burned up at the acid bath surface and the part fell to the bottom of the tank. The connections were good because the surface did anodize, but there were splotches or areas that anodized inconsistantly where the part was touching the bottom of the tank.

I'm using 18 gauge aluminum picture hanging wire. I need to try to find some thicker aluminum wire or the titanium wire.

Thanks Sswee. I'll try it again.

Bruce