![]() ![]() I know that alcohol would have made a mess of that feed too, but here was another attempt by me to fix something pen related that went awry. Apparently it had an actual hard rubber feed. I let it sit in the ammonia bath for way too long and what came out was a mess. On advice I didn't use isopropyl alcohol on that, but I did use ammonia. I had a dip pen that I'd bought in the mid-60s for 10¢ and the feed had apparently been clogged with India ink, and I must have done that many years ago. At least some pens have parts that will begin to dissolve of soften under the influence of isopropyl alcohol. When I've asked about using isopropyl alcohol to clean some really stubborn pens and parts I've been told by many knowledgeable folks here on FPN that this is a very bad idea. I would use the 90-95% version you can find in your grocery story. I am not sure what the effect is of isopropyl alcohol on fountain pens, does anyone here know? If it is safe, I would place that over water as it contains relatively nonpolar methyl groups which will help to dissolve the actual dye portion (as well as whatever hydrophobic fillers) of the ink, thus solving your problem. It can be used in too many things from drug production to explosives manufacture. I'm not even sure if you can even buy it without being in a registered laboratory. That, and it will probably get you on an FBI watch list. If it's India ink, and you're using a dip pen, then you can be more aggressive with the ink: perhaps cutting it with lacquer thinner (or benzene if you have any) rather than water would be more appropriate - a major ingredient in India ink being shellac. Maybe it's just a bad bottle - especially when you mention 'gloppy'. water - certainly no more than 5% of your starting volume. ![]() The thickening is most likely due to evaporation - even if the bottle was that way from new, if it sat on store shelves longer than the blue (like several years longer) significant water may have escaped through the plastic of the cap or the rubber of the eyedropper (or it might simply not have gotten closed tightly at the factory after filling). Martin's inks with plain distilled water - but don't use very much. That said, you should be able to thin any of Dr. Why is it so much thicker than my BLUE (same brand).įirst, let me verify you're not using this ink in a fountain pen: India inks contain binders that are not water soluble after drying, and can clog a fountain pen in a way that requires disassembly to correct (usually a job for a pen repairer, at a cost of several tens of dollars). I absolutely love the colour, but not the texture of my ink. ![]() Martin's BOMBAY India Ink: Van Dyke Brown. ![]()
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