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Hi everyone, I’m an amateur violinist and maker. I am currently trying to pick both playing and making up where I left it almost 12 years ago. Getting all the tools out again and starting on a new instrument is a lot of fun but still as difficult as it was back then. However, having YouTube and forums like this one is sure a great help for an amateur. Many thanks to all that post here. While I continue to work on the instrument, I would like to start the first varnish experiments. Varnishing was a major problem on my first two instruments, and I would like to be better prepared this time. I just finished building a new UV cabinet (pictures attached) equipped with eight 40W GE F40BL (UVA 350-365 nanometer) tubes. I included a programmable switch for the lights, an air filter and a thermostat-controlled fan (AC Infinity AIRPLATE T7). I hope this setup will work. I built the cabinet large enough for a cello (my wife plays cello). Here are a few things I plan to try out first. I would greatly appreciate additional recommendations & suggestions: - How many days are needed for a maximum tanning effect? - Do 1,3 or 5 coats of gelatin have an effect on tanning? - Testing 0,1,3,5 coats of gelatin with different ground coats (thick rosin oil, self-made varnish) - Trying fine pumice mixed with rosin oil or varnish as ground coat over gelatin I will try to make my own amber varnish. Last time I did this I fused the amber myself, but this time bought the amber colophony from Kremer. Does anyone have experience with this product? I am planning to start with a 1:1 ratio of amber colophony in boiled linseed or walnut oil. Any recommendations for one vs the other? Many thanks in advance!