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Fat_old_dwarf wrote:

OneHighMofo wrote:There is definitely some low-grade oil used to make Jelly Hash (usually a combination of a few different extractions) - either BHO or QWISO (alcohol wash) so yeah - I'd be VERY suspicious of inhaling that in any form never mind as a dab.

I get a similar taste off the hash from Tweede Kamer/Dampkring 2 that comes in wax paper – C3 and something else very much like it that I've forgotten the name of. Which leaves me in a dilemma. The taste itself I now like in the way one does an acquired taste, and undoubtedly also because I associate it with a cutting-through-tolerance high. But how bad for the lungs is it likely to turn out to be?

I would not want to be inhaling any residual isopropyl alcohol or butane. If you've ever cleaned a bong with isopropyl alcholol and taken a deep breath by accident it's not a mistake you'll make twice. Deeply unpleasant, expect lightheadedness, nausea, headache in the best case. A family member of mine died due to scar tissue on her lungs from a lifetime of breathing in solvents from hospital cleaning products so I'm probably more sensitive than some but still - I would be EXTRA careful where solvents are concerned.

If you taste any plastic / petrol anything resembling solvent fumes in your product please throw it away, it's just not worth the risk.
Making Rosin with import hash can often expose (via concentration) contaminants. I bought some Chem ICE in Bluebird once that when 'Rosin'd' back home stunk and tasted of burning plastic. Not good at all.

I'd be marginally less worried about BHO than Jelly hash or QWISO - if it's from a trusted source. Mainly because making QWISO is quick and dirty, easily achieved with very basic equipment and not as immediately dangerous as blasting BHO. So it attracts a lazier extract 'artist'. That said - because of the comparatively high entry-point cost of BHO making equipment I've seen some SHITTY BHO in the UK that literally fizzes, pops and foams on the nail. I would never inhale that - ever.

Regarding 'safe' limits of residual solvents; I found this on http://www.dualdiagnosis.org/marijana-t ... -toxicity/
The residual butane content in BHO is somewhat regulated. Washington only allows for 500 parts per million while Colorado is much lower at 50 ppm.[13] Despite this, even BHO products in which extra effort and care were taken to remove excess butane, the residual amounts reached 50,000 ppm in one analysis — that’s two to five percent residual butane content.[14]

[13] http://www.dualdiagnosis.org/marijana-t ... #_ftnref13
[14] http://www.dualdiagnosis.org/marijana-t ... #_ftnref14

*edit* this is the bazilionth edit - but I figure it's worth being verbose in the interests of harm reduction and awareness.
Obviously I'm not going to say too much about my sources for BHO - suffice to say, the individual in question has a masters in bio-chemistry and a background in commercial hydro-carbon extractions. So I KNOW due care and attention has been taken with regard to purging of solvents. I'd recommend anyone buying concentrates of this nature be well prepared, well educated and assertive enough to question the supplier on the due diligence done by the extractor.

OneHighMofo wrote:
I'd recommend anyone buying concentrates of this nature be well prepared, well educated and assertive enough to question the supplier on the due diligence done by the extractor.

It's the price that prohibition makes us pay! It is never bad to be on guard and to be informed!!

As long as we're on the subject of isopropyl alcohol, is it significantly better at cleaning than, say, vodka? That's what I used on my otherwise wondrous Amazed pipe, which unfortunately needs cleaning often, but it didn't get completely clean. That might have been me not using enough salt or not shaking enough or something, but I did leave it overnight as well. But your description of isopropyl made it sound like something someone who's clumsy stone cold sober wouldn't necessarily want around the house, and of course it's harder to get, at prices not really cheaper than drinkable (so at least not overly dangerous) spirits.

Fat_old_dwarf wrote:As long as we're on the subject of isopropyl alcohol, is it significantly better at cleaning than, say, vodka? That's what I used on my otherwise wondrous Amazed pipe, which unfortunately needs cleaning often, but it didn't get completely clean. That might have been me not using enough salt or not shaking enough or something, but I did leave it overnight as well. But your description of isopropyl made it sound like something someone who's clumsy stone cold sober wouldn't necessarily want around the house, and of course it's harder to get, at prices not really cheaper than drinkable (so at least not overly dangerous) spirits.

Yeah it's definitely a lot more effective than vodka at cleaning dirty pipes. especially when combined with salt and a good shake.
I get mine here:
https://www.amazon.co.uk/SHL-BRAND-ISOP ... yl+alcohol

With the amazed pipe, once you get it sparkling clean again with ISO, you'll probe;y get away with regular use of alcohol wipes https://www.amazon.co.uk/ALCOHOL-SWABS- ... ohol+wipes

Do you have really stubborn stains? Need a bit more elbow grease to clean that grimy pipe? You need - a cheaply made Chinese ultrasonic cleaner. One of these little puppies with just warm water and dish detergent will get your pipe sparkling in just a few minutes. If you stick Isopropyl in her - CLEANING POWER

DO NOT SMOKE AROUND A BATH OF BUBBLING ISO KIDS.
https://www.amazon.co.uk/Colour-Direct- ... ic+cleaner
NOTE: It cleans glass too LIKE NEW, but exercise caution and use at your own risk, any glass pieces with even a hairline fracture will likely not survive more than a few seconds: onehighmofo industries accepts no liability for broken favourite bongs/bowls/tips/pipes/bubblers etc. All rights reserved.

Looks like I'll have to bite the bullet, then. Thanks for the info.

What Rvan said.

So basicly the next best option is rosin then. IMO rosin is BHO just without any nasty chemical residues in it. I believe there´s always some shit left, even if it is vacuum purged. Rosin is legal in Dam? and available? But if not, isn´t there still the iceolator, which can be like 60-70% thc and is suitable for dabbing. Anyhow.. i want to buy the strongest shit there is when im coming to amsterdam again in december. Im ordering my shatter from northern california now, and since i tasted it, i thought, that there is absolutely no reason to buy buds anymore. =D And it cost under 45€/g.. I still like to smoke bud too, but dabs are so much convinient to smoke. Just one small hit, and it´s basicly odorless too..