On Monday, December 10, 2012 12:42:56 PM UTC-8, Daniel Prince wrote:
I cannot find my bottle of Tweek so I need to buy some new contact

enhancer.

Çaig laboratories sells a variety of enhancers, with DeOxit, Preservit as
their main tradenames, which are easily available (try Radio Shack
for instance). Some are cleaners only, try to understand the
usage notes to find which are the enhancers.