Not sure if this is the right place for this. But i didn't find a topic/thread on metal care specifically.
I finally found a reliable source for good park tanks. For those interested in DIY parkerizing barrels and parts.
I picked up two tanks for 220.00 (i had plugs installed for extra 15.00), $110.00 each for 6" (W) X 48" (L) X 6"(H) is pretty good (i think). I really liked having the extra 8 inches over the standard 40" length that was available for a lot more $ in other catalogs.
The seller has a "Store" on ebay. As a matter of fact u can have tanks made thru him for just about any size u need. If u want smaller tanks for just parts etc. He'll fabricate it then place the item in his list and u just use the "Buy Now" function.
I've been looking for good park tanks for awhile (least ways one that wouldn't break the bank).
here's the web link:
http://search.ebay.com/parkerizing-tank_W0QQfromZR40
Hope this helps
Mike
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US Army Retired-Lead, Follow, or get the hell out of the way
The nation which forgets its defenders will be itself forgotten.-Calvin Coolidge, US