DMT-Nexus member
Posts: 23 Joined: 22-Sep-2013 Last visit: 11-Dec-2017 Location: zone 8b
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so now that ive pulled all the goodness, what is the responsible way to dispose of my highly basic soup... i can imagine it would leave a brown stain in my neighbors grass to say the least... (sorry if this is somewhere else, but i havent seen it) the devil made me do it... it was so much fun
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DMT-Nexus member
Posts: 172 Joined: 08-Oct-2013 Last visit: 18-Mar-2020 Location: here
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Flush it down the toilet ore the wash, the pipes can handle it. I "think" I observed someone wrote that on this forum, but I don't remember 100%.
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Homo discens
Posts: 1827 Joined: 02-Aug-2012 Last visit: 07-Aug-2020
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Let's not forget that lye is sold as drain cleaner. So if you flush it down the toilet, not only have you disposed of your base liquid, you've also cleaned out your pipes!  I usually let mine sit out in the sun, uncovered for a few hours first just to evaporate off any leftover naphtha. I'm not certain that this is 100% necessary, but I don't want to run the risk of degrading the plumbing in my house or harming the environment (I don't know where my plumbing takes waste, but I would assume it gets dumped into a river eventually...  )
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☂
Posts: 5257 Joined: 29-Jul-2009 Last visit: 09-Jun-2025 Location: 🌊
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That is a good move ^ You really don't want any solvent going down the drains, so pull and evaporate all of it off first. Also make sure you don't have any big chunks of plant material in there or it will clog...but if it was powdered then that won't be a problem of course.
<Ringworm>hehehe, it's all fun and games till someone loses an "I"
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DMT-Nexus member
Posts: 29 Joined: 12-Apr-2014 Last visit: 18-Sep-2014
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First, evaporate off any remaining solvent somewhere safe. Flammable solvents should not go down the drain. The solvent goes down one drain, but the fumes can come back up any connected pipes, and ignited by your neighbour dropping a cigarette down their kitchen sink, for instance. Naptha isn't madly explosive like some solvents, it's just something to keep in mind when pouring stuff down the sink.
Then if you want to be extra environmentally-conscious, you can neutralise the base CAREFULLY with an acid. As you may have learnt in an earlier step, this will generate heat, so do it slowly. Whether you neutralise it or not, it is best to flush it through the pipes with plenty of water afterwards. This stops the lye from pooling in one place and possibly reacting with the pipe (or the crap in it) and also dilutes it so that if there are reactions, at least they will be weaker. When lye is used as a drain-cleaner they recommend flushing with water afterwards.
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