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I'd like to add some cherry nitro to this spot but how do I avoid the dark line around the perimeter that typically forms from adding a touch-up? I.e., what is the best strategy for blending what i'm adding to what is there?

*Photo added* Ding repair on spruce top, 2015 Collings 0002HE #23701. What are y’all reaching for when repairing dents in nitro? GlueBoost fill & finish or drop filling with nitrocellulose? This is a well-used guitar; not pristine and the owner has reasonable expectations that the repair will not be “like it never happened” Bonus question: If there is bare wood, should I seal it with shellac to preserve the color before proceeding to fil…

Here You'll seehere pin tip sized bubbles. Nitro finish. It got hot in a case. They'll need a light amagolmater mixture applied to melt'm back into the surface. Im looking for advice on the recipe for said amagolmater....Straight retarder? Im not sure if Id need lacquer in the mix that I apply....Thank you! Colin O'Brien LittleCreek Instrument Repair, Nashville. Images

Someone recently contacted me about a Gretsch in need of some finish repairs on the binding. This looks to be nitro that has chipped/flaked off over the years and possibly yellowed by nicotine. I'm curious if any of you have experience with this type of repair and what the best way would be to go about it. I'm not anticipating taking this on but I would be interested in knowing the procedure. Thanks! Images

Hi, Any recommendations for scratch safe and nitro safe bench coverings? Also the porous sanding mats compatible with vacuum tables with same nitro safe properties? My material science education is low in regards to stuff that will and won't react to nitro. Thank you.

I'm fast approaching the finish coating of 2 acousitcs. The sitka spruce tops are really bright. I'd like to tone them down a little and have been scouring the web for methods. Seems like adding amber toner in either the sand sealer or more likely the first set of nitro lacquer coats might be the the ticket. I see Stewmac has a Colortone stain called "Vintage Amber" that can be mixed into the nitro. Anybody have expirience with this pro…

So this 310 came into the shop and had a pretty gnarly crack that splinters some toward the lower left bout. Going to do a crack repair with the TJ Thompson crack corrector and some hide glue. The issue I'm inquiring about is the finish is delaminating around the area. I'm curious as to what type of finish it is. Seems a bit flexible and spongy to be a nitro alone. There's shards of finish missing, and dirt has found its way underneath…