View single post by stew77
 Posted: Wed Jul 9th, 2014 01:17 pm
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stew77



Joined: Thu Mar 26th, 2009
Location: Colorado USA
Posts: 10254
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H2O wrote:
When I have the specialist here: :-)

How to achieve the best natural result? OK, depends, but...

- do I have to dip the full watch into the diluted fluid or
- do you use a cloth to wipe it with the diluted fluid or
- will it be heated in a bottle and the watch is just on top of the raising gas????

Have to search in the internet, I´m sure there are some explanations.

I think this will be also cool for the CH1 or CH8 and have to try it with the Tungum material as well. :-)


With the LOS, you prepare the diluted fluid (think I used something like a teaspoon of LOS gel to 10-12 oz of water roughly). (It is also important IMO to heat the water before mixing in the LOS...I try to heat it to around 160°F so that it will be around 140°F when I submerge the watch). I have heard of people wiping the watch with the LOS fluid, but I've never tried that. The temperature of the mixture seems to have an affect on the color of patina achieved, but I've never really experimented too much with a range of temps...hot bronze and hot los mixture yields a more durable patina IMO.

I think you get the best experience when you preheat the watch case (I run it under hot tap water before doing a full submerge of the watch into the hot LOS mixture). In seconds (3-10 seconds literally), you will have the watch reacting and can customize it to what you like. If the watch turns really dark (black), you can always post-polish the really dark stuff off revealing the colored patina below. (I always transfer the watch from the hot LOS mixture directly to a cold baking soda/water bath to stop the reaction).

This is always a bit of an arts & crafts experiment and your individual results may/will vary!

I did my CH1 bronze too, and that bronze reacted slightly different than the CH6 did...I will likely put my CH1 through another round of LOS gel.