Hello, I've been having a few problems with my syringe, the rubber stop seems to get very rigid after a few uses, i tried to cut off the edges and that worked for a while, but now it leaks when extracting my heptane. Does anyone know a way to prevent the rubber stop from becoming so rigid? Thank you. "Be Here Now"
“The Universe is worked and guided from within outwards.”
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Don't use rubber or plastics for extracting. Wiki • Attitude • FAQThe Nexian • Nexus Research • The OHTIn New York, we wrote the legal number on our arms in marker...To call a lawyer if we were arrested. In Istanbul, People wrote their blood types on their arms. I hear in Egypt, They just write Their names. גם זה יעבור
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I'm looking for a glass syringe, but they seem to be pretty hard to find, a turkey blaster isn't optimal either i've read, and pouring it off is very messy, doesn't work too well with me. A separation funnel is also out of question. A glass syringe, a big one, would be so perfect really, but i can't find one. Can i ask what you use? "Be Here Now"
“The Universe is worked and guided from within outwards.”
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Glass eye droppers are available as part of a set with amber bottles for oil, fragrance, etc. online. Also, the health food stores in my area sell little bottles of liquid herbal extracts like kava kava that have glass droppers, so that may be a local option. Forge a Path with Heart <3
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Yes, but aren't they too small? If i could find one that could hold minimum 20ml i'd go for that, but i haven't seen one either.  I'm being picky i guess, but a glass syringe would be perfect, i can't see an easier way to extract very precisely. "Be Here Now"
“The Universe is worked and guided from within outwards.”
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I too am in the same boat with a plastic syringe. Perhaps a little eye dropper would do the trick to get the last few ml of solvent, after decanting the majority. No way im sucking several hundred ml, 1 ml at a time. "It is my quiet hope that the psychedelic drugs will give us that guidance towards the understanding of the mind. They just might let us see that trail through the dark forest where most of the people who search choose to follow the lighted path." --TiHKaL
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With my limited materials, I plan to use a plastic syringe for the majority and a glass eyedropper for the last bit. I'd like to know what everyone else does though, and how it works. 
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Thanks guy! Yes, i checked online, and with my pharmacy but with no success. I'm really interesting as well how others extract the heptane/hexane/naphtha/limonene, or whatever is used for the extraction. I haven't found a topic about this in particular. Thank you. PS: Hey thanks Adjhart! "Be Here Now"
“The Universe is worked and guided from within outwards.”
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Well, thanks to Adjhart i could find one in my country as well, i added a keyword "luer lock" a specific which helped me to filter out unwanted results. This has nothing to do with the syringe being made out of glass or not, but it did help. Thanks again Adjhart, you made my day, it's weird how things go sometimes, you search and find nothing, than someone else opens up a possibility and suddenly you find everything you need in abundance. “It always seems impossible until it's done.” -Mandela (rip) "Be Here Now"
“The Universe is worked and guided from within outwards.”
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