WelshZeCorgi Posted October 22, 2018 Share Posted October 22, 2018 I usually add thinner to the actual paint bottle to save time later. I heard of this tip that if you fill a fresh bottle to where the base meets the neck, you're generally in the ballpark to use it for airbrushing. But for one of my bottle, I accidently added too much thinner. How do I thicken it up so that it works once again? Quote Link to post Share on other sites
modelingbob Posted October 22, 2018 Share Posted October 22, 2018 The best way is to buy another bottle of the exact same paint, and then use that paint to "thicken up" the already thinned paint to your desired viscosity by mixing them together. Of course that may mean you have several bottles of the same paint lying around! As a general rule, it is probably better to not "pre-thin" your paint prior to actual use as the addition of thinner can mess with some types of paint chemistry (particularly enamels) and affect shelf storage life. Quote Link to post Share on other sites
RichardL Posted October 23, 2018 Share Posted October 23, 2018 On 10/21/2018 at 8:20 PM, WelshZeCorgi said: I usually add thinner to the actual paint bottle to save time later. Not a good practice/habit to keep. It is always best to thin the paint right before airbrushing. Quote Link to post Share on other sites
Mstor Posted October 23, 2018 Share Posted October 23, 2018 5 hours ago, RichardL said: Not a good practice/habit to keep. It is always best to thin the paint right before airbrushing. The only paint I have been able to get away with adding thinned paint back into the bottle is Mr Color acrylic lacquers, but I also add some rejuvenator to them from time to time too. Quote Link to post Share on other sites
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