Oxine is not as expensive as it used to be. It used to be only available in Gallons. But now you can buy smaller amounts from Stoney Creek!
http://www.ebay.com/itm/Oxine-Sanit...835?pt=LH_DefaultDomain_0&hash=item20e85237db
http://www.ebay.com/itm/Oxine-Sanit...835?pt=LH_DefaultDomain_0&hash=item20e85237db