highgrower Posted July 25 Share Posted July 25 I have various glass bits i use iso to clean and usually evaporate it off slowly in a glass tray and then scrape it up which can be a bit of a pain. I started off doing that this time but before it got too sticky i decided to pour it off into a small jar and let it just sit for a few days to purge - its became quite thick and wasnt really purging well so popped it into the microwave for 20 secs - you could smell the iso coming off it when you popped your nose in the jar - so left it to cool and repeated the process a few times - no smell at all now coming off it and on the initial few vape tests i cant taste any iso either. A lot easier than scraping away - i realise you need to be careful with alcohol in a microwave but with small amounts like that i think pretty safe (safer than bho making). 4 Link to comment Share on other sites More sharing options...
Slippy One Posted July 25 Share Posted July 25 Noooooooo!! 2 1 Link to comment Share on other sites More sharing options...
Diddy Posted July 25 Share Posted July 25 Pretty sure my internal H&S would not allow me to do this for so many reasons lol. Whatever happened to a rice cooker out in the open air or at least a very well ventilated area . My fears would be explosions and or impurities in the final product...But er yeah well done 2 Link to comment Share on other sites More sharing options...
highgrower Posted July 25 Author Share Posted July 25 (edited) Its a tiny jar like 50ml and had reduced it so that it was more like a tar - just needed a bit of help to purge the last little bit so h&s risk was minimal Not sure what impurities heating in a microwave adds? As for rice cooker etc - we are talking about a gram or so and most would just get left in the pot - i wouldnt do this for large quantity Edited July 25 by highgrower Link to comment Share on other sites More sharing options...
M Pamplemousse Posted July 26 Share Posted July 26 A bain Marie using a bowl of boiling water OR a coffee cup warmer are safer options. I don't know what the ratio of iso vapor and oxygen are required for an explosion but introducing an enclosed space with potentially explosive vapours and a ready source of ignition all in a metal box seems like a potential recipe for disaster. 4 Link to comment Share on other sites More sharing options...
MindSoup Posted July 26 Share Posted July 26 I'm with @highgrower on this, I feel like once you get past a certain point you'll be pretty safe to wang small amounts in the microwave for short bursts. 1 1 Link to comment Share on other sites More sharing options...
Graywolf Posted July 26 Share Posted July 26 The lower explosive limit for Isopropyl alcohol is only 2%, so purging in a microwave is a gamble. 7 Link to comment Share on other sites More sharing options...
Diddy Posted July 26 Share Posted July 26 22 hours ago, highgrower said: Not sure what impurities heating in a microwave adds? I was more thinking of the microwave not doing the purge as well as normal heat. I don't know for sure so take it with a pinch of salt. Link to comment Share on other sites More sharing options...
Hippie on hill Posted July 26 Share Posted July 26 I picked up a cheap USB cup warmer, a little AC Infinity USB fan with a speed controller, and a couple of silicone cake things, for this 6 Link to comment Share on other sites More sharing options...
highgrower Posted July 27 Author Share Posted July 27 15 hours ago, Hippie on hill said: USB cup warmer Never through about one of those - gave me an idea an had a look at a small 12v PTC heating element the ones inside a aluminium shell hooked up to a pid would give a perfect little hot plate for purging small amounts. 1 Link to comment Share on other sites More sharing options...
Arthur Mix Posted July 27 Share Posted July 27 IRC iso fills the atmosphere and ignites as a slower explosion. Butane sinks but is a faster explosion . 2 Link to comment Share on other sites More sharing options...
Crow River Posted July 29 Share Posted July 29 Sounds like a recipe for making a fragmentation bomb! Slow but safe is better, IMHO. 1 Link to comment Share on other sites More sharing options...
smokinggolden Posted August 13 Share Posted August 13 (edited) Just put on your safety squints and keep a hand over your genitals in case of explosion. It won't be too bad from a ml of iso but will be scary and there might be shrapnel! eta: I have heated up alcohol in the microwave to warm it up to clean vape gear. I think that I put a lid on to stop vapours though, and did not heat any where near boiling point. I was very concerned about the amount of vapour released into the kitchen when I opened it indoors! Edited August 13 by smokinggolden Link to comment Share on other sites More sharing options...
silvester growdrobe Posted August 22 Share Posted August 22 On 26/07/2024 at 18:57, Hippie on hill said: a couple of silicone cake things, for this Now this is a great idea, don't know why I've never thought of it! Link to comment Share on other sites More sharing options...
MindSoup Posted August 22 Share Posted August 22 Because isopropyl alcohol reacts with silicone, not a good idea. Link to comment Share on other sites More sharing options...
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