# \#oxidation
**URL:** https://www.smartermarx.com/tag/oxidation/201.md
[Latest](https://www.smartermarx.com/latest.md) · [Categories](https://www.smartermarx.com/categories.md) · [Tags](https://www.smartermarx.com/tags.md)
---
## [Liquin (Original) Color Changes in Bottle](https://www.smartermarx.com/t/liquin-original-color-changes-in-bottle/1958)
**Author:** [@AWaichulis](https://www.smartermarx.com/u/AWaichulis)\
**Replies:** 0\
**Last updated:** [December 6, 2024, 11:02am UTC](https://www.smartermarx.com/t/liquin-original-color-changes-in-bottle/1958 "2024-12-06T11:02:35Z")
Over the years, some have expressed concern over the significant swings in color observed in bottles of the alkyd-based medium, Liquin. These color changes can occur for a number of reasons. Here are a few worth notin…
---
## [A Few Thoughts on Issues with Gamvar](https://www.smartermarx.com/t/a-few-thoughts-on-issues-with-gamvar/1002)
**Author:** [@AWaichulis](https://www.smartermarx.com/u/AWaichulis)\
**Replies:** 2\
**Last updated:** [December 30, 2019, 2:55pm UTC](https://www.smartermarx.com/t/a-few-thoughts-on-issues-with-gamvar/1002 "2019-12-30T14:55:51Z")
In recent months, I have seen quite a few colleagues complaining about the popular varnish from Gamblin, “Gamvar.” The varnish has been a popular favorite among artists for many years—so I was surprised to see the rece…
---
## [Drying times, Lights, and An issue with Retouch Varnish](https://www.smartermarx.com/t/drying-times-lights-and-an-issue-with-retouch-varnish/761)
**Author:** [@AWaichulis](https://www.smartermarx.com/u/AWaichulis)\
**Replies:** 0\
**Last updated:** [September 12, 2018, 10:06pm UTC](https://www.smartermarx.com/t/drying-times-lights-and-an-issue-with-retouch-varnish/761 "2018-09-12T22:06:55Z")
A question came across my desk regarding retouch varnish this week. The artist wrote: “So I put retouch varnish to seal my painting. Where the areas has dark colors, the surface is dry. But where the areas are white, it’…