Mornin Viper1
Either your lead is too cool or your mold is too cool or both.

I'm thinkin it's something else, I played with the temp,

hobbles,

Are you using an aluminum or steel mould? The aluminum mould heats up pretty quickly and casts good balls. Those wavy lines indicates the mould is not up to temperature. You lead is probably hot enough, or it would not pour. I preheat my steel moulds by placing them near the heat source. I pour the mould full and let it sit a minute or two to transfer heat to the mould. I do that a time or two and then the mould is hot enough for the balls to fill out properly. If your mould gets too hot, the balls will have a frosted appearance. Hope this helps.

Adam

Hobbles here's a set-up that you could really crank out those roundballs with. :)
http://magmaengr.com/item.php?id=33

Mornin boss,
I am usin the Lee aluminum mold, I was told to clean the mold and it would do better,, That's next,,, I casted bout 150 and the mold seemed hot,
I have to wait a few days befor I can try again,, I got rain,,, darn,,

Yep, that would do it, But that would take all the fun out of it,, (i hear)

Well boys, All the right parts came in and I made 300 balls this mornin, They came out pretty darn good too!, I found a important fact out tho,, I found out that if the balls don't come out right, to come back on here and re-read the directions you all gave me ,, Then, if they still don't come out right, then follow the directions you all gave me on here,, Life is good,,,

Viper1
You were right, the lead was not hot enough,, and, the mold was not hot enough either,,

Sounds like you already got her figured out, but I will add this little bit of wisdom: Make sure you clean new molds with some mineral spirits before you smoke them......smoking molds with a thin film of oil on them (from the machining process) doesn't allow the carbon to lay down on the mold; it 'float's on the top of the oil, and makes it harder to get rid off. The result is also 'wrinkly balls" (sounds like a disease, don't it!;) :D ) as well.
.....now that I have added my 2 cents, I'll shut up.:)

Mornin Mr. 16
"wrinkly balls"
Yep. I went through that yesterday, and it was cause I didn't clean the mold,,(follow the derections)
as for the " .....now that I have added my 2 cents, I'll shut up.:) Nope!! I am here to learn, I'll listen , to anyone,, I ain't proud,, ;>)~~

Hobbles, I'm glad to see you're getting this whole casting operation up and running so fast and with good quality results...I sure wouldn't want my .595's to have wrinkles on them...:D

Mornin roundball
I'm startin to like makin my own shot, (rb)

alcohol also will remove oil from metal .and some with brake cleaner both leave no residue.